99久久久无码国产 I 久艹av I 国产精品第108页 I 东京天堂热av I 丝袜 国产 日韩 另类 美女 I 国产自在自线午夜精品视频 I 动漫精品h I 男女差差差视频 I 亚洲第一偷拍网 I 公交车上的激情小说 I 无遮18禁在线永久免费观看挡 I 欧美性做爰猛烈叫床潮 I 色就是色.com I 精品综合在线 I 911国语对白 I 中文字幕在线观看三区 I 亚洲制服丝袜一区 I 日批视屏 I 在线观看视频www I 泽村玲子av I 日韩美女一级视频 I 另类欧美视频 I 日韩人妻无码免费视频一区二区 I 岛国精品在线 I 亚洲欧美一区二区三区三高潮 I 调教母狗视频 I 九九热在线看 I 丁香六月婷婷激情 I 五月天av网站 I 欧美全黄视频 I 狂野欧美一区二区 I 无码专区无码专区视频网站 I 男人天堂色 I 另类小说综合网 I 久久精品囯产精品亚洲 I 久久婷香 I www.羞羞答答在线观看蜜桃臀 I 日本高清网址 I 国产人人干 I wwwyjizcom性欧美 I 麻豆 一区 I 免费的三级网站 I 狠狠干亚洲色图 I 成人区精品一区二区 I 午夜三级在线播放 I 国产ts人妖一区二区 I 91狠狠综合久久久 I 亚洲喷潮 I 福利 久久 I 极品少妇8mav I 国语对白一区二区 I 狠狠综合一区 I 国产大学生一区 I 日本乱偷人妻中文字幕在线 I 色综合色 I 2018年秋霞无码片 I 久久综合亚洲色一区二区三区 I 国产盗摄spa精品 I 国产在线网站 I 日韩成人久久 I 大屁股人妻女教师撅着屁股 I bsian正版色妇肉体pics I 给我免费播放片在线观看

當前位置:
首頁 > 技術文章 > 表兒茶素 性能特點
目錄導航 Directory
服務熱線
技術支持Article
表兒茶素 性能特點
點擊次數:63 更新時間:2026-01-04

表兒茶素

分析標準品,HPLC≥98%

Epicatechin (EC)

CAS號:490-46-0

分子式:C15H14O6

分子量:290.27

MDLMFCD00075648

貨號

規格/參數/品牌

價格

貨期

YJ-B20102-20mg

分析標準品,HPLC≥98%

470.00

現貨

YJ-B20102-500mg

分析標準品,HPLC≥98%

2300.00

現貨

JS31326-50mg

96%(HPLC)

500.00

現貨

JS31326-250mg

96%(HPLC)

1168.00

現貨

JS31326-1g

96%(HPLC)

2088.00

現貨

JS31326-5g

96%(HPLC)

3380.00

現貨

JS31326-25g

96%(HPLC)

8500.00

2-3

A10044-20mg

分析標準品,含量99.4%,可溯源

580.00

現貨

產品介紹

熔點:240℃

沸點:630.4℃ at 760 mmHg

比旋光度:-55-65(D/20℃)(c=1,CH3OH)

外觀:白色粉末

溶解性:可溶于熱甲醇、DMSO等溶劑,不溶于石油醚、氯仿。

儲存條件:2-8℃

注意:部分產品我司僅能提供部分信息,我司不保證所提供信息的權威性,僅供客戶參考交流研究之用。

參考文獻(412)

412. [IF=3.8] Yiwei Yuan et al."The Effects of Wuniuzao Green Tea on Mice With High‐Fat Diet‐Induced Liver Steatosis."Food Science & Nutrition.2025 Jul;13(7):e70505

411. [IF=4.8] Jiacheng Ji et al."Evaluation of the impact of ecological factors on the habitat suitability and bioactive components accumulation of the medicinal holoparasitic plant Cynomorium songaricum using machine learning models."Frontiers in Plant Science.2025 Ju

410. [IF=5.1] Jialin Chen et al."Metabolomics and Sensory Evaluation Reveal the Aroma and Taste Profile of Northern Guangdong Black Tea."Foods.2025 Jan;14(14):2466

409. [IF=8] Xuejie Wang et al."Eurotium Cristatum fermented instant dark tea prevents obesity and promotes adipose thermogenesis via modulating the gut microbiota."FOOD RESEARCH INTERNATIONAL.2025 Jul;:116969

408. [IF=8.2] Caibi Zhou et al."Flavor changes of Yunnan large-leaf cultivar white tea during different aging periods."Food Chemistry-X.2025 Jul;:102846

407. [IF=8.5] Jiahui Gong et al."Insights from experiments and simulation of polydopamine modified carboxymethyl chitosan molecularly imprinted resins for adsorption of epicatechin in Rumex acetosa L.."INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES.2025 Jul;:145761

406. [IF=3.4] Aiming Liu et al."Effects of Roasting Treatment on the Composition, Digestive Properties, and Antioxidant Activities of Free and Bound Phenolic in Black Tartary Buckwheat Husks."JOURNAL OF FOOD SCIENCE.2025 Jun;90(6):e70313

405. [IF=4.2] Xiaolei Miao et al."Determination of Eight Catechins and Four Theaflavins in Qingzhuan Dark Tea of Different Years (1, 5, 9, and 13?Years)."JOURNAL OF FOOD BIOCHEMISTRY.2025 Jun;2025(1):1214060

404. [IF=8] Huiyan Jia et al."Endophytic bacterium V4 from albino tea plant enhances umami taste as well as flowery and roasted aromas in dried tea."FOOD RESEARCH INTERNATIONAL.2025 Jun;:116950

403. [IF=8] Guosheng Liu et al."Temporal dynamics of bioactive compounds in sweet tea (Lithocarpus litseifolius (Hance) Chun): Linking harvest stages to flavor and health benefits."FOOD RESEARCH INTERNATIONAL.2025 Jun;:116918

402. [IF=9.8] Zongde Jiang et al."Discovery and identification of novel color compound formed from EGCG upon heating: Integrated multispectral, sensory evaluation, metabolomics, and nuclear magnetic resonance."FOOD CHEMISTRY.2025 Jun;:145070

401. [IF=3.3] Wu Yingying et al."Qingke (Highland Barley) from Qinghai-Tibet Plateau: nutritional composition, phenolics profiles, antioxidant activity and hypoglycemic activity."Journal of Food Measurement and Characterization.2025 May;:1-14

400. [IF=3.3] Zhang Wengang et al."Identification and in vitro antioxidant and hypoglycemic activities of phenolic compounds in the different solvent fractions of polyphenols from black highland barley."Journal of Food Measurement and Characterization.2025 May;:1-14

399. [IF=5.1] He Wang et al."Ultrasound-assisted extraction of polyphenols from apple pomace using choline chloride-oxalic acid deep eutectic solvent: characterization, reusability, and molecular dynamics simulation."MICROCHEMICAL JOURNAL.2025 Jul;214:114149

398. [IF=5.9] Ping Lin et al."Impact of filtration processes on the key chemical components of Shanxi aged vinegar."Food Bioscience.2025 Jul;69:106827

397. [IF=8] Wanjun Long et al."A nanozyme colorimetric sensor combined with cloud-based machine learning algorithm-assisted WeChat mini program for intelligent identification of Chinese green tea."FOOD RESEARCH INTERNATIONAL.2025 May;:116668

396. [IF=12.5] Lin Chen et al."Structural diversity of tea phenolics modulates physicochemical properties and digestibility of wheat starch: Insights into gallic acid group-dependent interactions."CARBOHYDRATE POLYMERS.2025 May;:123763

395. [IF=5.1] Chunju Peng et al."Dynamic Changes in Sensory Quality and Chemical Components of Bingdao Ancient Tree Tea During Multiple Brewing."Foods.2025 Jan;14(14):2510

394. [IF=9.8] Zhiyuan Zeng et al."In-depth profiling of Phenolics in strawberries and their potential modulatory effects on the oxidative stress-disease Axis: Insights from UHPLC-QTOF-MS-based untargeted metabolomics, network pharmacology, and molecular docking."FOOD C

393. [IF=1.8] Yuexing Chen et al."Optimization of White Tea Flavanol Extraction Process by the Ultrasonic-Assisted Deep Eutectic Solvent Method and Determination of the Antioxidant and Antibacterial Activity."Engineering Reports.2024 Oct;:e13018

392. [IF=8.5] Xiaomei Yan et al."Exogenous theanine application improves the fresh leaf yield and quality of an albino green tea Huangjinya."FOOD CHEMISTRY.2024 Nov;:142298

391. [IF=7.6] Chen Xiangxiang et al."Deactivating mutations in the catalytic site of a companion serine carboxypeptidase-like acyltransferase enhance catechin galloylation in Camellia plants."Horticulture Research.2024 Dec;:

390. [IF=4.7] Bernard Ntezimana et al."Integrated Transcriptomic and Metabolomic Analyses Reveal Changes in Aroma- and Taste-Related Substances During the Withering Process of Black Tea."Foods.2024 Jan;13(23):3977

389. [IF=4.7] Yan Huang et al."White Tea Aqueous Extract: A Potential Anti-Aging Agent Against High-Fat Diet-Induced Senescence in Drosophila melanogaster."Foods.2024 Jan;13(24):4034

388. [IF=6.1] Jianmei Xu et al."A genus-specific R2R3 MYB transcription factor, CsMYB34, regulates galloylated catechin biosynthesis in Camellia sinensis."PLANT PHYSIOLOGY AND BIOCHEMISTRY.2025 Feb;219:109401

387. [IF=8.5] Zi-Jian Feng et al."Regulation of catechins with different structure characteristics on the physicochemical properties of casein and the structure-activity relationship."FOOD CHEMISTRY.2025 Mar;467:142515

386. [IF=3.1] Ping Zhao et al."Identification of anti-SARS-CoV-2 compounds from Qingwen Zhike prescription and exploration of their underlying mechanism by UPLC-Q-Exactive Orbitrap MS, high-throughput screening assays and transmission electron microscopy."JOURNAL OF PH

385. [IF=4.7] Zhaobao Wu et al."Differences in the Quality Components of Wuyi Rock Tea and Huizhou Rock Tea."Foods.2025 Jan;14(1):4

384. [IF=3.2] Haonan Zhang et al."A comprehensive profiling of phenolic compounds and antioxidant activities of 24 varieties of red raspberry cultivated in Northeast China."JOURNAL OF FOOD SCIENCE.2024 Dec;90(1):e17623

383. [IF=7] Lunfang Huang et al."The processing of shaking and standing improves the taste quality of summer black tea."FOOD RESEARCH INTERNATIONAL.2024 Dec;:115545

382. [IF=2.7] Xuechao Zheng et al."Effects of temperature and humidity on drying kinetics, final quality and cell wall pectin content of wolfberry (Lycium barbarum)."DRYING TECHNOLOGY.

381. [IF=4.8] Xin Sun et al."Investigation of virtual screening, inhibition mechanisms of endogenous serine protease inhibitors, and its preservation effects on tilapia."Food Bioscience.2025 Feb;64:105997

380. [IF=4.8] Shiqi Li et al."Enhancing antioxidant activity and functional benefits of kiwi ice wine via freeze concentration techniques and apple pomace freeze-dried powder."Food Bioscience.2025 Feb;64:106006

379. [IF=8.5] Min Yan et al."Metabolic profiling of abdominal subcutaneous adipose tissue reveals effects of apple polyphenols for reversing high-fat diet induced obesity in C57BL/6 J mice."FOOD CHEMISTRY.2025 May;473:143055

378. [IF=6] Huimin Wu et al."Dynamic changes of quality characteristics during fermentation of orange-fleshed sweet potato alcoholic beverage."LWT-FOOD SCIENCE AND TECHNOLOGY.2025 Feb;218:117509

377. [IF=4.1] Majida AL-Wraikat et al."Microbial community and organic compounds composition analysis and the edible security of common buckwheat fermented via Kombucha consortium."Food Chemistry: Molecular Sciences.2025 Feb;:100247

376. [IF=4.7] Delai Yang et al."Natural Copper Ion Scavenger: Investigation of the Hepatoprotective Effects of Green Tea Extract in Toxic-Milk Mice with Wilson’s Disease Model."Foods.2025 Jan;14(4):679

375. [IF=6.5] De Zhou et al."Quality analysis and characteristic difference identification of organic tea and conventional planting tea based on ICP, HPLC and machine algorithm."Food Chemistry-X.2025 Feb;:102299

374. [IF=8.5] Lu Li et al."Non-volatile metabolite and in vitro bioactivity differences in green, white, and black teas."FOOD CHEMISTRY.2025 Jun;477:143580

373. [IF=4.7] Jiayi Xu et al."Characteristic Changes and Potential Markers of Flavour in Raw Pu-Erh Tea with Different Ageing Cycles Analysed by HPLC, HS-SPME-GC-MS, and OAV."Foods.2025 Feb;14(5):829

372. [IF=4] Deqing Wang et al."Penetrating microwave vacuum drying: a superior alternative to traditional drying methods for enhancing sensory quality, biological activity and flavor of ‘Akizuki’ pear (Pyrus pyrifolia Nakai)."JOURNAL OF FOOD COMPOSITION AND ANALYSIS.

371. [IF=5.7] Tianyu Luo et al."Tea Extracellular Vesicle-Derived MicroRNAs Contribute to Alleviate Intestinal Inflammation by Reprogramming Macrophages."JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY.2025;XXXX(XXX):XXX-XXX

370. [IF=7] Zixi Yang et al."Investigation of the classification criteria and flavor compounds in diversified commercially ripened Pu-erh teas."FOOD RESEARCH INTERNATIONAL.2025 Mar;:116198

369. [IF=6.2] Bingsong Ma et al."Revealing the formation of aged aroma in raw Pu-erh tea during the storage through comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry and molecular docking."Current Research in Food Science.2025

368. [IF=3.9] Shangyun Li et al."Comprehensive analysis and evaluation of the intrinsic fruit quality of Sichuan pear germplasm resources in China."SCIENTIA HORTICULTURAE.2025 Mar;343:114084

367. [IF=6.5] Zixi Yang et al."Unraveling the flavor formation process of mellow and thick-type ripened Pu-erh tea through non-targeted metabolomics and metagenomics."Food Chemistry-X.2025 Mar;:102424

366. [IF=7.7] Youshudi Xie et al."Identification and characterization of two hydrolase genes involved in the hydrolysis of galloylated catechin in the tea plant Camellia sinensis."INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES.2025 May;308:142620

365. [IF=6.5] Cunqiang Ma et al."Grade identification of ripened Pu-erh teas, and their differences of phenolic components, in vitro antioxidant capacity and hypoglycemic effect."Food Chemistry-X.2025 Apr;:102421

364. [IF=6.5] Yong Luo et al."The distribution of catechins and their derivatives among 114 Camellia plants and their correlation in different species and tea-processing suitability."Food Chemistry-X.2025 Apr;27:102461

363. [IF=8.5] Qi Chen et al."Trapping phenylacetaldehyde by litchi shell polyphenols and their characteristic catechins in chemical model and roast pork patty: Identification of catechins-adducts and toxicity assessment."FOOD CHEMISTRY.2025 Apr;:144357

362. [IF=7] Guangshan Zhao et al."Tea drinking effectively improves symptoms of diabetes and prevents hepatorenal damage in mice."FOOD RESEARCH INTERNATIONAL.2025 Apr;:116502

361. [IF=6.5] Jingzhe Li et al."Exploring seasonal differences in taste and nonvolatiles of Lu'an Guapian tea and perceptual interactions between odorants and EGCG via multi-sensory analysis and metabolomics."Food Chemistry-X.2025 Apr;:102497

360. [IF=2.7] De-Huan Yang et al."Classification of Lu'an Gua Pian tea before and after Qingming Festival using HPLC-DAD analysis: A comparison for different data analysis strategy."Analytical Methods.2025 Apr;:

359. [IF=4.2] Langhua Zhou et al."Antioxidant and Anticancer Mechanisms of Unique Polyphenols in Camellia ptilophylla: Focus on Gallocatechin-3,5-di-O-gallate and 1,2,4,6-Tetra-O-galloyl-β-D-glucopyranose."MOLECULES.2025 Apr;30(9):1919

358. [IF=4.7] Rui Wu et al."Chemical, Sensory Variations in Black Teas from Six Tea Cultivars in Jingshan, China."Foods.2025 Jan;14(9):1558

357. [IF=4.2] Yule Wang et al."Qingfei Huoxue Decoction and Its Active Component Narirutin Alleviate LPS-Induced Acute Lung Injury by Regulating TLR4/NF-κB Pathway Mediated Inflammation."Journal of Inflammation Research.

356. [IF=7] Xianqiang Chen et al."Mechanism of red pigment formation in lotus rhizome soup during cooking: The role of polyphenols, iron and organic acids."FOOD RESEARCH INTERNATIONAL.2024 Dec;197:115266

355. [IF=6] Dongzhu Huang et al."Comprehensive analysis reveals the contribution of “rolling-anaerobic" processing to the improved aroma, taste and color of GABA black tea."LWT-FOOD SCIENCE AND TECHNOLOGY.2024 Nov;212:116966

354. [IF=1.2] Yang Wang et al."Change Patterns of Major Functional Components in the Loquat Summer Shoot Leaf during Annual Growth."JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE.2024 Nov;149(6):320-326

353. [IF=8.5] Shengnan Wang et al."Postharvest changes in the phenolic and free volatile compound contents in Shine Muscat grapes at room temperature."FOOD CHEMISTRY.2025 Feb;465:141958

352. [IF=2.3] Si Tan et al."Physicochemical Characteristics of ‘Wushan Plum’ Subjected to Three Drying Methods."CHEMISTRY & BIODIVERSITY.2024 Nov;:e202402125

351. [IF=4.8] Xiaoqiang Zou et al."Composite enzymatic hydrolysis for producing Harlikar apple juice with increased dietary fiber content and antioxidant capacity."Food Bioscience.2024 Dec;62:105508

350. [IF=7] Wenfeng Li et al."Adsorption and desorption behaviors on microporous resins of antioxidant and anti-proliferation polyphenols from European plum."FOOD RESEARCH INTERNATIONAL.2025 Jan;199:115348

349. [IF=8.5] Ashiq Hussain et al."Exploration of underutilized chayote fractions following drying and extraction."FOOD CHEMISTRY.2025 Feb;465:142129

348. [IF=6.5] Honglin Mao et al."An integrative multi-omics approach reveals metabolic mechanism of flavonoids during anaerobic fermentation of de'ang pickled tea."Food Chemistry-X.2024 Nov;:102021

347. [IF=8.5] Xinyu Feng et al."Liubao insect tea polyphenols ameliorate DSS-induced experimental colitis by protecting intestinal barrier and regulating intestinal microbiota."FOOD CHEMISTRY.2024 Nov;:142156

346. [IF=2.7] Xuancheng Wang et al."Characterisation of the phytochemical and bioactivity profiles of raw tea, stale-aroma, and betelnut-aroma type of Liupao tea through GC/LC-MS-based metabolomics."Analytical Methods.2024 Dec;:

345. [IF=4.8] Yue Pan et al."Exploration on the cultivar specifity and processing progress of an excellent hybrid tea cultivar ‘Jinmudan’."Food Bioscience.2025 Jan;63:105660

344. [IF=7.1] Jiahui Gong et al."Smart Dual-Responsive Ionic Liquid as Transformable and Recyclable Media for Extracting and Separating Phytochemicals from Wild Rumex acetosa L.."ACS Sustainable Chemistry & Engineering.2024;XXXX(XXX):XXX-XXX

343. [IF=2.6] Guo Huihui et al."Deacidification characteristics of Issatchenkia terricola WJL-G4 with a special focus on bioactive compounds and antioxidant activities during currant juice and wine processing."INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY.2025 J

342. [IF=7] Jinjin Xue et al."Effect of cultivar and process on the astringency of matcha based on flavonoids-targeted metabolomic analysis."FOOD RESEARCH INTERNATIONAL.2025 Mar;204:115954

341. [IF=8.5] Yanyan Cao et al."Flavor evolution of unsweetened green tea beverage during actual storage: Insights from multi-omics analysis."FOOD CHEMISTRY.2025 Jul;481:144039

340. [IF=4.6] Xinyu Wang et al."Core germplasm construction of tea plant populations based on genome-wide SNP and catechins in Shaanxi Province, China1."Journal of Integrative Agriculture.2025 Mar;:

339. [IF=4.6] Li He et al."Neuroprotective Effects of Catechins by Differentially Affecting the Binding of Beta-amyloid and Its Aggregates to the Target Cells."MOLECULAR NEUROBIOLOGY.2025 Apr;:1-20

338. [IF=2.6] Yin Feilong et al."Peach gum edible coating film delays the browning of postharvest litchi and maintains its quality."JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE.2024 Sep;:1-10

337. [IF=4.7] Qian-Ni Yang et al."Characterization, Antioxidant Capacity, and Anti-Inflammatory Activity of Polyphenol-Enriched Extracts Obtained from Unripe, Mature, and Overripe Fruits of Red-Fleshed Kiwifruit Cultivars."Foods.2024 Jan;13(18):2860

336. [IF=4.7] Zhihao Ye et al."Tea’s Characteristic Components Eliminate Acrylamide in the Maillard Model System."Foods.2024 Jan;13(17):2836

335. [IF=6.5] Wen Deng et al."Comparative analysis of phenolic compounds in different thinned unripe kiwifruits and their biological functions."Food Chemistry-X.2024 Dec;24:101815

334. [IF=6.5] Chunyin Qin et al."Chemical profile and in-vitro bioactivities of three types of yellow teas processed from different tenderness of young shoots of Huoshanjinjizhong (Camellia sinensis var. sinensis)."Food Chemistry-X.2024 Dec;24:101809

333. [IF=6.5] Wenjing Huang et al."Effect of tea stems on the quality formation of large-leaf yellow tea: Sensomics and flavoromics approaches."Food Chemistry-X.2024 Dec;24:101794

332. [IF=7] Qianqian Luo et al."Oxidation of tea polyphenols promotes chlorophyll degradation during black tea fermentation."FOOD RESEARCH INTERNATIONAL.2024 Nov;196:115016

331. [IF=8.5] Mingchun Wen et al."Developed metabolomics approach reveals the non-volatile color-contributing metabolites during Keemun congou black tea processing."FOOD CHEMISTRY.2025 Jan;463:141222

330. [IF=9.1] Ting Li et al."Online ligand screening for cytochrome C from herbal medicines through “four-in-one" measurement."PHARMACOLOGICAL RESEARCH.2024 Nov;209:107406

329. [IF=3.3] Lu Wang et al."The variation of acrylamide and 5-hydroxymethylfurfural in tea with different roasting degrees and the effects of tea polyphenols on their formation."JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE.2024 Aug;:

328. [IF=4.8] Zixin Zhao et al."Extraction effects of eight deep eutectic solvents on dianhong black tea: From chemical composition analysis to antioxidant and α-glucosidase inhibitory assessments."Food Bioscience.2024 Oct;61:104923

327. [IF=7] Yao Chen et al."Intelligent identification of picking periods of Lu’an Guapian tea by an indicator displacement colorimetric sensor array combined with machine learning."FOOD RESEARCH INTERNATIONAL.2024 Nov;195:114960

326. [IF=8.5] Nanhuan Huang et al."Improved physicochemical and functional properties of dietary fiber from matcha fermented by Trichoderma viride."FOOD CHEMISTRY.2024 Dec;460:140784

325. [IF=6] Zhe Wang et al."High-throughput screening, “protein–metabolite" interaction, and hypoglycemic effect investigations of α-amylase inhibitors in teas using an affinity selection-mass spectrometry method."LWT-FOOD SCIENCE AND TECHNOLOGY.2024 Jul;203:116392

324. [IF=6.5] Yida Wu et al."Investigation of the quality of Lu'an Guapian tea during grain rain period by sensory evaluation, objective quantitative indexes and metabolomics."Food Chemistry-X.2024 Jun;:101595

323. [IF=4.7] Wen Deng et al."Comparison of Protective Effects of Polyphenol-Enriched Extracts from Thinned Immature Kiwifruits and Mature Kiwifruits against Alcoholic Liver Disease in Mice."Foods.2024 Jan;13(19):3072

322. [IF=5.6] Qin Ma et al."Exogenous methyl jasmonate induces CHS and promotes flavonoid accumulation in Zanthoxylum bungeanum."INDUSTRIAL CROPS AND PRODUCTS.2024 Dec;222:119682

321. [IF=8.5] Xiangxin Gu et al."Effects of different low-temperature maceration times on the chemical and sensory characteristics of Syrah wine."FOOD CHEMISTRY.2024 Sep;:141230

320. [IF=7] Xiaoxiao Feng et al."Exploration of the flavor diversity of oolong teas: A comprehensive analysis using metabolomics, quantification techniques, and sensory evaluation."FOOD RESEARCH INTERNATIONAL.2024 Aug;:114868

319. [IF=4.2] Yunyi Hu et al."Ultrasonic-Assisted Extraction of Phenolic Compounds from Lonicera similis Flowers at Three Harvest Periods: Comparison of Composition, Characterization, and Antioxidant Activity."MOLECULES.2024 Jan;29(14):3280

318. [IF=4.7] Wanyu Dong et al."Evaluation of Pre-Harvest Nutrient Composition and Functional Active Substances in Various Lotus Roots."Foods.2024 Jul; 13(14): 2297

317. [IF=4.7] Jiajun Cai et al."Comprehensive Analysis of the Yield and Leaf Quality of Fresh Tea (Camellia sinensis cv. Jin Xuan) under Different Nitrogen Fertilization Levels."Foods.2024 Jan;13(13):2091

316. [IF=5.7] Jiahao Chen et al."Dynamic DNA methylation modification in catechins and terpenoids biosynthesis during tea plant (Camellia sinensis) leaf development."Horticultural Plant Journal.2024 Jul;:

315. [IF=6.5] Gaozhong Yang et al."Effects of anaerobic treatment on the non-volatile ceomponents and angiotensin-converting enzyme (ACE) inhibitory activity of purple-colored leaf tea."Food Chemistry-X.2024 Jul;:101649

314. [IF=7] Xianqiang Chen et al."Formation mechanism of blue pigment in boiled lotus rhizome discs: Insight into the chelation of polyphenols and iron."FOOD RESEARCH INTERNATIONAL.2024 Sep;192:114818

313. [IF=7] Xuyang Liu et al."LC-MS and GC–MS based metabolomics analysis revealed the impact of tea trichomes on the chemical and flavor characteristics of white tea."FOOD RESEARCH INTERNATIONAL.2024 Sep;191:114740

312. [IF=7.7] Ziteng Wang et al."PCL/Locust bean gum nanofibers loaded with HP-β-CD/Epicatechin clathrate compounds for fruit packaging."INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES.2024 Sep;276:133940

311. [IF=8.5] Guojian Deng et al."Mechanism of key volatiles in osmanthus scented green tea on the improvement of its aroma and taste quality."FOOD CHEMISTRY.2024 Dec;460:140560

310. [IF=3.7] Zhuoya Xiang et al."Solvent Effects on the Phenolic Compounds and Antioxidant Activity Associated with Camellia polyodonta Flower Extracts."ACS Omega.2024;XXXX(XXX):XXX-XXX

309. [IF=4.5] Xianyang Zhao et al."Development of UHPLC-Q-Exactive Orbitrap/MS Technique for Determination of Proanthocyanidins (PAs) Monomer Composition Content in Persimmon."Plants-Basel".2024 Jan;13(11):1440

308. [IF=3.9] Xianqiang Chen et al."Study on the formation mechanism of blackening in damaged lotus rhizome epidermis: Effects of polyphenols and iron."JOURNAL OF FOOD SCIENCE".2024 Apr;:

307. [IF=5.4] Sihao Zhang et al."Chang-Kang-Fang alleviates diarrhea predominant irritable bowel syndrome (IBS-D) through inhibiting TLR4/NF-κB/NLRP3 pathway."JOURNAL OF ETHNOPHARMACOLOGY".2024 Apr;:118236

306. [IF=6] Michelle Farrell et al."Microencapsulation of purple tea polyphenols using the vibrating nozzle ionotropic gelation technology: Metabolomics, bioactivity, and application in milky tea."LWT-FOOD SCIENCE AND TECHNOLOGY".2024 Apr;:116099

305. [IF=6.1] Wenfeng Li et al."Chemometric analysis illuminates the relationship among browning, polyphenol degradation, Maillard reaction and flavor variation of 5 jujube fruits during air-impingement jet drying."Food Chemistry-X".2024 Jun;22:101425

304. [IF=6.1] Hanchen Zhou et al."The manufacturing process provides green teas with differentiated nonvolatile profiles and influences the deterioration of flavor during storage at room temperature."Food Chemistry-X".2024 Jun;22:101371

303. [IF=4.7] Ye Yutong et al."Quality analysis and antioxidant activity of different types of tea powder."Food Production Processing and Nutrition".2024 Dec;6(1):1-13

302. [IF=5.2] Pengfei Bi et al."Characterization of the effect of non-Saccharomyces cerevisiaes on the non-volatile constituents and volatile profiles of low-alcoholic pomegranate beverages."Food Bioscience".2024 Jun;59:103870

301. [IF=5.9] Yi Yang et al."Green tea hydroxycinnamoylated catechins extend lifespan and attenuate Aβ-induced paralysis of Caenorhabditis elegans via anti-oxidation and peptides dis-aggregation."INDUSTRIAL CROPS AND PRODUCTS".2024 Jun;212:118390

300. [IF=5.9] Shufang Yang et al."Unraveling the variations and relationships between phytochemical constituents and anti-inflammatory potentials of three Zanthoxylum species through metabolomics and explainable machine learning."INDUSTRIAL CROPS AND PRODUCTS".2024 Jun

299. [IF=7.2] Haixiang Ruan et al."A flavonoid metabolon: cytochrome b5 enhances B-ring trihydroxylated flavan-3-ols synthesis in tea plants."PLANT JOURNAL".2024 Mar;:

298. [IF=3.4] Kou Xingran et al."Citrus Pu-erh tea extract intake before or after lipolysis in simulated digestion reduces the release of free fatty acids."Journal of Food Measurement and Characterization".2024 Feb;:1-12

297. [IF=4.3] Yi Jiang et al."Shading in fruit changes the polyphenol accumulation of pellicle by regulating activity of key enzymes and expression of their gene related polyphenol anabolism of Juglans sigillata Dode."SCIENTIA HORTICULTURAE".2024 Apr;329:113017

296. [IF=4.3] Fan Xinyu et al."A comprehensive investigation on the chemical changes of traditional Chinese medicine with classic processing technology: Polygonum multiflorum under nine cycles of steaming and sunning as a case study."ANALYTICAL AND BIOANALYTICAL CHEMIS

295. [IF=4.3] Xin Guan et al."Variation of taste and odor compounds in tea beverage after microbial fermentation by HPLC–MS, GC×GC–O–MS, GC–MS, and sensory evaluation."JOURNAL OF FOOD COMPOSITION AND ANALYSIS".2024 Apr;128:106075

294. [IF=4.5] Haowei Guo et al."Influence of Various Tea Utensils on Sensory and Chemical Quality of Different Teas."Plants-Basel".2024 Jan;13(5):669

293. [IF=5.2] Yueqi Wang et al."Identification of Key Genes Associated with 1,2,6-Tri-O-galloyl-β-D-glucopyranose Accumulation in Camellia sinensis Based on Transcriptome Sequencing."Foods".2024 Jan;13(3):495

292. [IF=5.7] Zhang Wei et al."Development of a SERS aptasensor for the determination of L-theanine using a noble metal nanoparticle-magnetic nanospheres composite."MICROCHIMICA ACTA".2024 Mar;191(3):1-11

291. [IF=6.1] Qiong Chen et al."In Situ Oral Metabolism Analysis of Astringent Compounds in Tea by Paper Spray Mass Spectrometry, Electrospray Mass Spectrometry, Turbidimetry, and Sensory Evaluation."JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY".2024;XXXX(XXX):XXX-XXX

290. [IF=8.8] Qiaochun Chen et al."Effects of seasoning addition and cooking conditions on the formation of free and protein-bound heterocyclic amines and advanced glycation end products in braised lamb."FOOD CHEMISTRY".2024 Feb;:138850

289. [IF=8.8] Shengxiao Su et al."Chemical, sensory and biological variations of black tea under different drying temperatures."FOOD CHEMISTRY".2024 Jul;446:138827

288. [IF=3.5] Xi Zhao et al."Impact of Storage Temperature on Green Tea Quality: Insights from Sensory Analysis and Chemical Composition."Beverages".2024 Jun;10(2):35

287. [IF=8.8] Xianqiang Chen et al."Ultrasound-assisted extraction of polyphenols from lotus rhizome epidermis by alcohol/salt-based aqueous two-phase system: Optimization, extraction mechanism and antioxidant activities."FOOD CHEMISTRY".2024 May;:139620

286. [IF=8.1] Wei Hu et al."Revealing the variances in color formation and bioactivities of seven catechin monomers throughout the enzymatic reaction by colorimetric and mass spectrometry."FOOD RESEARCH INTERNATIONAL".2024 May;184:114266

285. [IF=5.4] Cuihua Chen et al."Discovery and validation of COX2 as a target of flavonoids in Apocyni Veneti Folium: Implications for the treatment of liver injury."JOURNAL OF ETHNOPHARMACOLOGY".2024 May;326:117919

284. [IF=3.4] Lv Ting-Ting et al."Chemical composition and antioxidant capacity of proanthocyanidins from Chinese quince (Chaenomeles sinensis) fruit at different growth stages."Journal of Food Measurement and Characterization.2024 Jan;:1-13

283. [IF=6] Shimao Fang et al."Ancient tea plants black tea taste determinants and their changes over manufacturing processes."LWT-FOOD SCIENCE AND TECHNOLOGY.2024 Jan;:115750

282. [IF=6.1] Yanfei Huang et al."Biosynthetic Pathway and Bioactivity of Vanillin, a Highly Abundant Metabolite Distributed in the Root Cortex of Tea Plants (Camellia sinensis)."JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY.2024;XXXX(XXX):XXX-XXX

281. [IF=8.1] Ning Yue et al."Imidacloprid triggered changes in strawberry fruits on edible quality and phenolic profiles by applied at two growth stages."FOOD RESEARCH INTERNATIONAL.2024 Mar;179:114031

280. [IF=4.2] Jiangcheng Ye et al."Effects of Fermented Extracts of Wuniuzao Dark Loose Tea on Hepatic Sterol Regulatory Element-Binding Protein Pathway and Gut Microbiota Disorder in Obese Mice."JOURNAL OF NUTRITION.2023 Dec;:

279. [IF=5.4] Zhengquan Feng et al."Bioactives and metabolites of Tetrastigma hemsleyanum root extract alleviate DSS-induced ulcerative colitis by targeting the SYK protein in the B cell receptor signaling pathway."JOURNAL OF ETHNOPHARMACOLOGY.2024 Mar;322:117563

278. [IF=6] Liping Shen et al."A green process for extracting and purifying coconut mesocarp polyphenols."Sustainable Chemistry and Pharmacy.2024 Feb;37:101413

277. [IF=6] Jian Zhu et al."Quantitative analysis of active components in Rhodiola species based on disease module-guided network pharmacology."Arabian Journal of Chemistry.2024 Feb;17:105570

276. [IF=6.1] Shenke Bie et al."The profiles of free, esterified and insoluble-bound phenolics in peach juice after high pressure homogenization and evaluation of their antioxidant capacities, cytoprotective effect, and inhibitory effects on α-glucosidase and dipeptidyl

275. [IF=6.1] Peng Wang et al."Germplasm Resources and Metabolite Marker Screening of High-Flavonoid Tartary Buckwheat (Fagopyrum tataricum)."JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY.2023;XXXX(XXX):XXX-XXX

274. [IF=8.8] Zihao Qiu et al."Comprehensive analysis of fresh tea (Camellia sinensis cv. Lingtou Dancong) leaf quality under different nitrogen fertilization regimes."FOOD CHEMISTRY.2024 May;439:138127

273. [IF=6.5] Feng Zhou et al."Integrated metabolomics and transcriptomic analysis reveals metabolic changes of flavor compounds of Camellia assamica host plant after parasitized by Viscum articulatum."PLANT PHYSIOLOGY AND BIOCHEMISTRY.2023 Dec;205:108157

272. [IF=8.8] Zixuan Xie et al."Mechanism of aroma enhancement methods in accelerating Congou black tea acidification subjected to room temperature storage."FOOD CHEMISTRY.2023 Nov;:137837

271. [IF=8.8] Duoduo Zhang et al."Quality analysis of steamed beef with black tea and the mechanism of action of main active ingredients of black tea on myofibrillar protein."FOOD CHEMISTRY.2023 Nov;:137997

270. [IF=7.1] Shuangjiao Xu et al."From waste to eco-friendly biofilms: Harnessing cottonseed hull proanthocyanidins for sustainable solutions."Environmental Technology & Innovation.2024 Feb;33:103448

269. [IF=4.5] Xiaogang Lei et al."Genome-Wide Association Studies of Biluochun Tea Plant Populations in Dongting Mountain and Comprehensive Identification of Candidate Genes Associated with Core Agronomic Traits by Four Analysis Models."Plants-Basel.2023 Jan;12(21):3719

268. [IF=5] Jian-Chang Jin et al."Widely targeted metabolomics reveals the effect of different raw materials and drying methods on the quality of instant tea."Frontiers in Nutrition.2023; 10: 1236216

267. [IF=6.1] Si TAN et al."Green tea polyphenols improved the physicochemical stability of mango powder during storage."Food Chemistry-X.2023 Dec;20:100941

266. [IF=3.7] Manni Tong et al."Quality Characteristics of White Leaf Tea of ‘Baiye 1’ (Camellia sinensis) in Different Producing Areas."Agronomy-Basel.10.3390/agronomy13102526

265. [IF=5.6] Shengnan Xu et al."Effects of age and tissue of Juniperus sabina L. on its phytochemical characteristics, anti-cholinesterase, antidiabetes, and anti-drug resistant bacteria activities."Frontiers in Plant Science.10.3389/fpls.2023.1174922

264. [IF=6] Tian Li et al."Investigation of microbial succession and volatile compounds dynamics during the fermentation of traditional cereal vinegar in Xinjiang."LWT-FOOD SCIENCE AND TECHNOLOGY.10.1016/j.lwt.2023.115258

263. [IF=8.1] Qiuwen Yu et al."Chemometrics-based investigation of non-volatiles/volatiles flavor of tencha (Camellia sinensis cv. Yabukita, Longjing 43 and Baiye 1)."FOOD RESEARCH INTERNATIONAL.10.1016/j.foodres.2023.113461

262. [IF=4.3] Linmu Chen et al."The spatiotemporal variations of L-glutamic acid and catechins during the development of etiolated tea leaves in ‘Huangjinye’."SCIENTIA HORTICULTURAE.2024 Mar;328:112888

261. [IF=5.2] Li Lian et al."Molar ratio of (-)-epicatechin and (-)-epigallocatechin gallate determined their enzymatic oxidation products and color characteristics."Food Bioscience.2024 Feb;57:103480

260. [IF=6.1] Shan Zhang et al."The influence of rolling pressure on the changes in non-volatile compounds and sensory quality of congou black tea: The combination of metabolomics, E-tongue, and chromatic differences analyses."Food Chemistry-X.2023 Nov;:100989

259. [IF=3.9] Gang He et al."Tibetan tea reduces obesity brought on by a high-fat diet and modulates gut flora in mice."Food Science & Nutrition.2023 Aug;:

258. [IF=6] Tiehan Li et al."Exploring the mysterious effect of piling fermentation on Pu-erh tea quality formation: Microbial action and moist-heat action."LWT-FOOD SCIENCE AND TECHNOLOGY.2023 Aug;185:115132

257. [IF=4.6] Fengge YANG et al."Deciphering chemical and metabolite profiling of Chang-Kang-Fang by UPLC-Q-TOF-MS/MS and its potential active components identification."Chinese Journal of Natural Medicines.2023 Jun;21:459

256. [IF=5.2] Qinzhang Jiang et al."Profiles of Free and Bound Phenolics and Their Antioxidant Capacity in Rice Bean (Vigna umbellata)."Foods.2023 Jan;12(14):2718

255. [IF=7] Xuechun Zhang et al."Chemical Constituents, Antioxidant, and α-Glucosidase Inhibitory Activities of Different Fermented Gynostemma Pentaphyllum Leaves and Untargeted Metabolomic Measurement of the Metabolite Variation."Antioxidants.2023 Aug;12(8):1505

254. [IF=8] Feng Jia et al."Functional properties and release characteristics of tea polyphenols-loaded gliadin films enforced by cinnamaldehyde."Food Packaging and Shelf Life.2023 Nov;39:101144

253. [IF=8.1] Jingna Yan et al."Sensory-directed isolation and identification of an intense salicin-like bitter compound in infected teas with bird’s eye spot disease."FOOD RESEARCH INTERNATIONAL.2023 Jul;:113272

252. [IF=8.8] Zhouping Fu et al."Analysis of differences in the accumulation of tea compounds under various processing techniques, geographical origins, and harvesting seasons."FOOD CHEMISTRY.2024 Jan;430:137000

251. [IF=3.3] Huijie Wei et al."Effect of baking treatment on quality, nonvolatile and volatile compounds of Liupao tea."INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY.2023 Aug;:

250. [IF=1.7] Zhouyi Zhang et al."Revealing the differences in phenolics in different parts of Taraxacum mongolicum using UPLC-MS/MS."Phytochemistry Letters.2023 Aug;56:13

249. [IF=6] Xiaoyue Yang et al."Effect of plant polyphenols with different m-hydroxy and o-hydroxy groups on the inhibition of heterocyclic amines formation in roasted meat."FOOD CONTROL.2023 Jun;:109960

248. [IF=8.6] Qixian Zhang et al."Effectively recovering catechin compounds in the removal of caffeine from tea polyphenol extract by using hydrophobically modified collagen fiber."SEPARATION AND PURIFICATION TECHNOLOGY.2023 Jun;:124325

247. [IF=8.8] Suwan Zhang et al."Metabolomics reveals the effects of different storage times on the acidity quality and metabolites of large-leaf black tea."FOOD CHEMISTRY.2023 Nov;426:136601

246. [IF=8.8] Lijuan Zhu et al."Browning inhibition in fresh-cut Chinese water chestnut under high pressure CO2 treatment: regulation of reactive oxygen species and membrane lipid metabolism."FOOD CHEMISTRY.2023 Jun;:136586

245. [IF=8.8] Zhengyu Ren et al."Cost-effective colorimetric sensor for authentication of protected designation of origin (PDO) Longjing green tea."FOOD CHEMISTRY.2023 Nov;427:136673

244. [IF=4.342] Wei Ran et al."Comprehensive analysis of environmental factors on the quality of tea (Camellia sinensis var. sinensis) fresh leaves."SCIENTIA HORTICULTURAE.2023 Sep;319:112177

243. [IF=5.561] Zihao Qiu et al."The Cultivar Effect on the Taste and Aroma Substances of Hakka Stir-Fried Green Tea from Guangdong."Foods.2023 Jan;12(10):2067

242. [IF=6.443] Yuchuan Li et al."Study on taste quality formation and leaf conducting tissue changes in six types of tea during their manufacturing processes."Food Chemistry-X.2023 Jun;18:100731

241. [IF=6.449] Shengkai Luo et al."Proteolytic activation and characterization of recombinant polyphenol oxidase from Rosa chinensis for efficient synthesis of theaflavins."INDUSTRIAL CROPS AND PRODUCTS.2023 Sep;200:116810

240. [IF=7.425] Xinlong Cheng et al."Cabernet sauvignon dry red wine ameliorates atherosclerosis in mice by regulating inflammation and endothelial function, activating AMPK phosphorylation, and modulating gut microbiota."FOOD RESEARCH INTERNATIONAL.2023 Jul;169:112942

239. [IF=1.967] ke Zunli et al."Physicochemical characteristics, polyphenols and antioxidant activities of Dimocarpus longan grown in different geographical locations."ANALYTICAL SCIENCES.2023 Apr;:1-8

238. [IF=4.52] Yue-Yue Chang et al."Targeted metabolites analysis and variety discrimination of Wuyi rock tea by using a whole-process chemometric-assisted HPLC-DAD strategy."JOURNAL OF FOOD COMPOSITION AND ANALYSIS.2023 Aug;121:105365

237. [IF=4.927] Jie Zhang et al."Enhancement of Polyphenols and Antioxidant Activity in Germinated Black Highland Barley by Ultrasonication."MOLECULES.2023 Jan;28(9):3679

236. [IF=4.125] Fengnan Li et al."Effects of processing methods on quality, antioxidant capacity, and cytotoxicity of Ginkgo biloba leaf tea product."JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE.2023 Mar;:

235. [IF=4.927] Yushi Zou et al."Discovery and Flavor Characterization of High-Grade Markers in Baked Green Tea."MOLECULES.2023 Jan;28(6):2462

234. [IF=4.927] Hongzhen Wang et al."Induction, Flavonoids Contents, and Bioactivities Analysis of Hairy Roots and True Roots of Tetrastigma hemsleyanum Diels et Gilg."MOLECULES.2023 Jan;28(6):2686

233. [IF=5.318] Siqi Yang et al."Effects of Eurotium cristatum on chemical constituents and α-glucosidase activity of mulberry leaf tea."Food Bioscience.2023 Jun;53:102557

232. [IF=6.056] Cunqiang Ma et al."Investigation and dynamic changes of phenolic compounds during a new-type fermentation for ripened Pu-erh tea processing."LWT-FOOD SCIENCE AND TECHNOLOGY.2023 Apr;180:114683

231. [IF=7.425] Yiyi Zhang et al."Indicator displacement assay for freshness monitoring of green tea during storage."FOOD RESEARCH INTERNATIONAL.2023 May;167:112668

230. [IF=8.022] Guangshan Zhao et al."Alleviating effects and mechanisms of action of large-leaf yellow tea drinking on diabetes and diabetic nephropathy in mice."Food Science and Human Wellness.2023 Sep;12:1660

229. [IF=9.231] Yingying Li et al."Nontargeted and targeted metabolomics analysis for evaluating the effect of “golden flora" amount on the sensory quality, metabolites, and the alpha-amylase and lipase inhibitory activities of Fu brick tea."FOOD CHEMISTRY.2023 Aug;416:1

228. [IF=2.65] Zihan Zhang et al."Properties and Chemical Compositions of Monovarietal Virgin Olive Oil at Different Ripening Stages: A Study on Olive Cultivation in Northwest China."AGRONOMY JOURNAL.2023 Feb;:

227. [IF=3.498] Chen, Xiaowei et al."Changes in quality properties and volatile compounds of different cultivars of green plum (Prunus mume Sieb. et Zucc.) during ripening."EUROPEAN FOOD RESEARCH AND TECHNOLOGY.2023 Feb;:1-13

226. [IF=3.614] Yumin Cao et al."Comparative pharmacokinetic studies of Ephedra herba in common cold and nephrotic syndrome rat models."JOURNAL OF SEPARATION SCIENCE.2023 Feb;:2200895

225. [IF=4.927] Wengang Zhang et al."Polyphenol Profile and In Vitro Antioxidant and Enzyme Inhibitory Activities of Different Solvent Extracts of Highland Barley Bran."MOLECULES.2023 Jan;28(4):1665

224. [IF=4.927] Pei Wang et al."Identification of Differential Compositions of Aqueous Extracts of Cinnamomi Ramulus and Cinnamomi Cortex."MOLECULES.2023 Jan;28(5):2015

223. [IF=4.927] Si Tan et al."Polyphenol Profile, Antioxidant Activity, and Hypolipidemic Effect of Longan Byproducts."MOLECULES.2023 Jan;28(5):2083

222. [IF=5.318] Jin-Feng Dou et al."Insights into the pigment and non-pigment phenolic profile of polyphenol extracts of jujube peel and their antioxidant and lipid-lowering activities."Food Bioscience.2023 Apr;52:102493

221. [IF=5.895] Zongde Jiang et al."Formation Mechanism of Di-N-ethyl-2-pyrrolidinone-Substituted Epigallocatechin Gallate during High-Temperature Roasting of Tea."JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY.2023;XXXX(XXX):XXX-XXX

220. [IF=6.656] Yanchao Xing et al."Cytochrome P450-mediated herb-drug interaction (HDI) of Polygonum multiflorum Thunb. based on pharmacokinetic studies and in vitro inhibition assays."PHYTOMEDICINE.2023 Feb;:154710

219. [IF=7.425] Jingna Yan et al."Characterization of triterpenoids as possible bitter-tasting compounds in teas infected with bird’s eye spot disease."FOOD RESEARCH INTERNATIONAL.2023 Feb;:112643

218. [IF=9.231] Yan Hou et al."Widely targeted metabolomics and HPLC analysis elaborated the quality formation of Yunnan pickled tea during the whole process at an industrial scale."FOOD CHEMISTRY.2023 Feb;:135716

217. [IF=2.586] Mailing Zou et al."Profiling aromatic constituents of Chimonanthus nitens Oliv. leaf granule using mass spectrometry."RAPID COMMUNICATIONS IN MASS SPECTROMETRY.2023 Jan;:e9481

216. [IF=2.909] Yinglu Qing et al."Integrated evaluation the antioxidant activity of epicatechin from cell dynamics."BIOTECHNOLOGY PROGRESS.2023 Feb;:e3328

215. [IF=5.081] Shuangyu Zhang et al."Drought-induced CsMYB6 interacts with CsbHLH111 to regulate anthocyanin biosynthesis in Chaenomeles speciosa."PHYSIOLOGIA PLANTARUM.2023 Feb;175(1):e13859

214. [IF=5.561] Weitao Wang et al."Reduction in Five Harmful Substances in Fried Potato Chips by Pre-Soaking Treatment with Different Tea Extracts."Foods.2023 Jan;12(2):321

213. [IF=6.652] Sijia Zhan et al."Role of roasting in the formation of characteristic aroma of wuyi rock tea."FOOD CONTROL.2023 May;147:109614

212. [IF=7.104] Guowei Man et al."Comparison of thermal and non-thermal extraction methods on free and bound phenolics in pomegranate peel."Innovative Food Science & Emerging Technologies.2023 Mar;84:103291

211. [IF=7.425] Shuxian Shao et al."Production regions discrimination of Huangguanyin oolong tea by using the content of chemical components and rare earth elements."FOOD RESEARCH INTERNATIONAL.2023 Mar;165:112522

210. [IF=4.342] MeiLing Han et al."Analysis of physicochemical and antioxidant properties of Malus spp. petals reveals factors involved in flower color change and market value."SCIENTIA HORTICULTURAE.2023 Feb;310:111688

209. [IF=5.561] Kai Zheng et al."Effect of Tea Polyphenols on the Storage Stability of Non-Fermented Frozen Dough: Protein Structures and State of Water."Foods.2023 Jan;12(1):80

208. [IF=6.056] Lu Han et al."Effects of catechin types found in tea polyphenols on the structural and functional properties of soybean protein isolate–catechin covalent complexes."LWT-FOOD SCIENCE AND TECHNOLOGY.2023 Jan;173:114336

207. [IF=9.231] Moying Li et al."Rapidly analyzing of ingredients during chewing and processing of areca nut using Feature-Based Molecular Networking."FOOD CHEMISTRY.2022 Dec;:135205

206. [IF=4.927] Qinhua Zheng et al."Protective Effect of Flavonoids from Mulberry Leaf on AAPH-Induced Oxidative Damage in Sheep Erythrocytes."MOLECULES.2022 Jan;27(21):7625

205. [IF=5.318] Su Zhou et al."Pu'er raw tea extract alleviates lipid deposition in both LO2 cells and Caenorhabditis elegans."Food Bioscience.2022 Dec;50:102172

204. [IF=5.561] Qingping Ma et al."Pea-Tea Intercropping Improves Tea Quality through Regulating Amino Acid Metabolism and Flavonoid Biosynthesis."Foods.2022 Jan;11(22):3746

203. [IF=7.425] Jifan Zhang et al."Inconsistency between polyphenol-enzyme binding interactions and enzyme inhibition: Galloyl moiety decreases amyloglucosidase inhibition of catechins."FOOD RESEARCH INTERNATIONAL.2023 Jan;163:112155

202. [IF=7.425] Jie Zhou et al."Widely targeted metabolomics using UPLC-QTRAP-MS/MS reveals chemical changes during the processing of black tea from the cultivar Camellia sinensis (L.) O. Kuntze cv. Huangjinya."FOOD RESEARCH INTERNATIONAL.2022 Dec;162:112169

201. [IF=9.231] Chong Xie et al."Characterization and bioactivity of A-type procyanidins from litchi fruitlets at different degrees of development."FOOD CHEMISTRY.2023 Mar;405:134855

200. [IF=5.561] Jiazheng Lin et al."Effect of the Presence of Stem on Quality of Oolong Tea."Foods.2022 Jan;11(21):3439

199. [IF=5.561] Huimin Wu et al."Physicochemical Characteristics, Antioxidant Activities, and Aroma Compound Analysis of Seven Peach Cultivars (Prunus persica L. Batsch) in Shihezi, Xinjiang."Foods.2022 Jan;11(19):2944

198. [IF=5.561] Xuan Zhang et al."Hawthorn Juice Simulation System for Pectin and Polyphenol Adsorption Behavior: Kinetic Modeling Properties and Identification of the Interaction Mechanism."Foods.2022 Jan;11(18):2813

197. [IF=6.056] Nuoya Wang et al."Revealing the co-fermentation of Saccharomyces cerevisiae and Schizosaccharomyces pombe on the quality of cider based on the metabolomic and transcriptomic analysis."LWT-FOOD SCIENCE AND TECHNOLOGY.2022 Oct;168:113943

196. [IF=6.208] Pan Wang et al."Discovery of Flavonoids as Novel Inhibitors of ATP Citrate Lyase: Structure–Activity Relationship and Inhibition Profiles."INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES.2022 Jan;23(18):10747

195. [IF=6.317] Meng Jia et al."Gut microbiota derived structural changes of phenolic compounds from colored rice and its corresponding fermentation property."Food & Function.2022 Sep;:

194. [IF=6.443] Qian Tu et al."The effects of regions and the wine aging periods on the condensed tannin profiles and the astringency perceptions of Cabernet Sauvignon wines."Food Chemistry-X.2022 Oct;15:100409

193. [IF=4.342] Liyang Wu et al."Chemical compositions of raspberry leaves influenced by growth season, cultivars and leaf position."SCIENTIA HORTICULTURAE.2022 Oct;304:111349

192. [IF=5.318] Zhuoya Xiang et al."Assessment of free and bound phenolics in the flowers and floral organs of two Camellia species flower and their antioxidant activities."Food Bioscience.2022 Oct;49:101905

191. [IF=5.561] Xueshan Yang et al."Effect of Deacidification Treatment on the Flavor Quality of Zaosu Pear–Kiwifruit Wine."Foods.2022 Jan;11(14):2007

190. [IF=6.056] Yuchuan Li et al."Pile-fermentation of dark tea: Conditions optimization and quality formation mechanism."LWT-FOOD SCIENCE AND TECHNOLOGY.2022 Jul;:113753

189. [IF=6.388] Yufei Zhai et al."Total flavonoids from the dried root of Tetrastigma hemsleyanum Diels et Gilg inhibit colorectal cancer growth through PI3K/AKT/mTOR signaling pathway."PHYTOTHERAPY RESEARCH

188. [IF=6.449] Qiling Song et al."Dynamic metabolic and transcriptomic profiling reveal synthetic characters and regulators of flavonoid biosynthesis in Camellia oleifera seeds."INDUSTRIAL CROPS AND PRODUCTS.2022 Oct;186:115295

187. [IF=17.694] Yu Keji et al."A role for ascorbate conjugates of (+)-catechin in proanthocyanidin polymerization."Nature Communications.2022 Jun;13(1):1-17

186. [IF=6.576] Junkun Pan et al."Inhibition of Dipeptidyl Peptidase-4 by Flavonoids: Structure–Activity Relationship, Kinetics and Interaction Mechanism."Frontiers in Nutrition. 2022; 9: 892426

185. [IF=4.952] Wenyue Yu et al."Insight into the characteristics of cider fermented by single and co-culture with Saccharomyces cerevisiae and Schizosaccharomyces pombe based on metabolomic and transcriptomic approaches."LWT-FOOD SCIENCE AND TECHNOLOGY. 2022 Jun;163:1135

184. [IF=6.475] Zhen Wu et al."How steaming and drying processes affect the active compounds and antioxidant types of Gastrodia elata Bl. f. glauca S. chow."FOOD RESEARCH INTERNATIONAL. 2022 Jul;157:111277

183. [IF=5.154] Erdong Yuan et al."Roles of Adinandra nitida (Theaceae) and camellianin A in HCl/ethanol-induced acute gastric ulcer in mice."Food Science and Human Wellness. 2022 Jul;11:1053

182. [IF=5.154] Ying Jiang et al."Isolation of a novel characterized Issatchenkia terricola from red raspberry fruits on the degradation of citric acid and enrichment of flavonoid and volatile profiles in fermented red raspberry juice."Food Science and Human Wellness. 202

181. [IF=5.396] Chunyin Qin et al."Comparison on the chemical composition, antioxidant, anti-inflammatory, α-amylase and α-glycosidase inhibitory activities of the supernatant and cream from black tea infusion."Food & Function. 2022 Apr;:

180. [IF=3.373] Yiyuan Luo et al."Quality evaluation of Tetrastigma hemsleyanum different parts based on quantitative analysis of 42 bioactive constituents combined with multivariate statistical analysis."PHYTOCHEMICAL ANALYSIS. 2022 Apr 05

179. [IF=7.514] YueTong Yu et al."Identification and Quantification of Oligomeric Proanthocyanidins, Alkaloids, and Flavonoids in Lotus Seeds: A Potentially Rich Source of Bioactive Compounds."Food Chem. 2022 Jan;:132124

178. [IF=6.576] Guowei Man et al."Profiling Phenolic Composition in Pomegranate Peel From Nine Selected Cultivars Using UHPLC-QTOF-MS and UPLC-QQQ-MS."Front Nutr. 2021; 8: 807447

177. [IF=4.556] Yiyu Ren et al."Metabolomics, sensory evaluation, and enzymatic hydrolysis reveal the effect of storage on the critical astringency-active components of crude Pu-erh tea."J Food Compos Anal. 2022 Apr;107:104387

176. [IF=3.463] Ping Wang et al."Systematic transcriptomic and metabolomic analysis of walnut (Juglans regia L.) fruit to trace variations in antioxidant activity during ripening."Sci Hortic-Amsterdam. 2022 Mar;295:110849

175. [IF=6.475] Guoping Lai et al."Free, soluble conjugated and insoluble bonded phenolic acids in Keemun black tea: From UPLC-QQQ-MS/MS method development to chemical shifts monitoring during processing."Food Res Int. 2022 May;155:111041

174. [IF=3.167] Jin Gan et al."Purification of polyphenols from Phyllanthus emblica L. pomace using macroporous resins: Antioxidant activity and potential anti-Alzheimer's effects."J Food Sci. 2022 Mar;87(3):1244-1256

173. [IF=7.514] Yuqing Cui et al."Identification of low-molecular-weight color contributors of black tea infusion by metabolomics analysis based on UV–visible spectroscopy and mass spectrometry."Food Chem. 2022 Aug;386:132788

172. [IF=4.411] Shuang Mei et al."The Physiology of Postharvest Tea (Camellia sinensis) Leaves, According to Metabolic Phenotypes and Gene Expression Analysis."Molecules. 2022 Jan;27(5):1708

171. [IF=1.729] Zhang  Mengyu et al."The effects of caffeic acid and epicatechin treatment on gray mold resistance and antioxidant metabolism in apples."J Plant Pathol. 2022 Mar;:1-10

170. [IF=4.411] Peng-Cheng Zheng et al.Untargeted Metabolomics Combined with Bioassay Reveals the Change in Critical Bioactive Compounds during the Processing of Qingzhuan Tea.Molecules. 2021 Jan;26(21):6718

169. [IF=1.296] Shen  Ting et al."Pigment profile and gene analysis revealed the reasons of petal color difference of crabapples."Braz J Bot. 2021 Jun;44(2):287-296

168. [IF=1.296] Han  Meiling et al."Analysis of flavonoids and anthocyanin biosynthesis-related genes expression reveals the mechanism of petal color fading of Malus hupehensis (Rosaceae)."Braz J Bot. 2020 Mar;43(1):81-89

167. [IF=2.19] Suwen Liu et al."Effects of different drying and milling methods on the physicochemical properties and phenolic content of hawthorn fruit powders."J Food Process Pres. 2020 Jun;44(6):e14460

166. [IF=2.19] Qiaoran Zheng et al."The effect of storage time on tea Polyphenols, catechin compounds, total flavones and the biological activity of Ya’an Tibetan tea (Camellia sinensis)."Journal Of Food Processing And Preservation. 2021 Oct 11

165. [IF=2.352] Luo Ting et al."Phytochemical composition and potential biological activities assessment of raspberry leaf extracts from nine different raspberry species and raspberry leaf tea."J Berry Res. 2020 Jan;10(2):295-309

164. [IF=2.431] Wang  Yanfeng et al."Effects of temperature and ultrasonic scaler on the infusion process of green tea leaves and catechins stability under ultrasonic vibration."J Food Meas Charact. 2021 Aug;15(4):3598-3607

163. [IF=2.45] Zhu Kai et al."Preventive Effect of Liupao Tea Polyphenols on HCl/Ethanol-Induced Gastric Injury in Mice."J Food Quality. 2020;2020:5462836

162. [IF=2.72] Wenfeng Li et al."Citric acid-enhanced dissolution of polyphenols during soaking of different teas."J Food Biochem. 2019 Dec;43(12):e13046

161. [IF=2.72] Meiling Han et al."Phenolic compounds present in fruit extracts of Malus spp. show antioxidative and pro-apoptotic effects on human gastric cancer cell lines."J Food Biochem. 2019 Nov;43(11):e13028

160. [IF=2.863] Qiaoran Zheng et al."Optimizing synchronous extraction and antioxidant activity evaluation of polyphenols and polysaccharides from Ya'an Tibetan tea (Camellia sinensis)."Food Sci Nutr. 2020 Jan;8(1):489-499

159. [IF=2.863] Ming Cai et al."Changes in physicochemical profiles and quality of apple juice treated by ultrafiltration and during its storage."Food Sci Nutr. 2020 Jun;8(6):2913-2919

158. [IF=2.863] Penghui Yu et al."Distinct variation in taste quality of Congou black tea during a single spring season."Food Sci Nutr. 2020 Apr;8(4):1848-1856

157. [IF=2.896] Li Wang et al."Separation of epigallocatechin gallate and epicatechin gallate from tea polyphenols by macroporous resin and crystallization."Anal Methods-Uk. 2021 Feb;13(6):832-842

156. [IF=3.032] Jiaxin Meng et al."In vitro Anthocyanin Induction and Metabolite Analysis in Malus spectabilis Leaves Under Low Nitrogen Conditions."Hortic Plant J. 2020 Sep;6:284

155. [IF=3.167] Li Yu et al."Quality evaluation of different varieties of Zanthoxylum bungeanum Maxim. peels based on phenolic profiles, bioactivity, and HPLC fingerprint."J Food Sci. 2020 Apr;85(4):1090-1097

154. [IF=3.361] Mengmeng Yuan et al."The interaction of dietary flavonoids with xanthine oxidase in vitro: molecular property-binding affinity relationship aspects."Rsc Adv. 2019 Apr;9(19):10781-10788

153. [IF=3.411] Shi Guiqin et al."UPLC-ESI-MS/MS Analysis and Evaluation of Antioxidant Activity of Total Flavonoid Extract from Paeonia lactiflora Seed Peel and Optimization by Response Surface Methodology (RSM)."Biomed Res Int. 2021;2021:7304107

152. [IF=3.463] Jing Yang et al."Evaluation of physicochemical properties in three raspberries (Rubus idaeus) at five ripening stages in northern China."Sci Hortic-Amsterdam. 2020 Mar;263:109146

151. [IF=3.638] Tao Bao et al."Green alternative methods for pretreatment of whole jujube before the drying process."Journal Of The Science Of Food And Agriculture. 2021 Aug 11

150. [IF=3.935] Yanchao Xing et al."An effective strategy for distinguishing the processing degree of Polygonum multiflorum based on the analysis of substance and taste by LC-MS, ICP-OES and electronic tongue."J Pharmaceut Biomed. 2021 Oct;205:114328

149. [IF=4.098] Chunlin Li et al."Discrimination of white teas produced from fresh leaves with different maturity by near-infrared spectroscopy."Spectrochim Acta A. 2020 Feb;227:117697

148. [IF=4.192] Qiangqiang Li et al."Bee Pollen Extracts Modulate Serum Metabolism in Lipopolysaccharide-Induced Acute Lung Injury Mice with Anti-Inflammatory Effects."J Agr Food Chem. 2019;67(28):7855–7868

147. [IF=4.24] Mingxia Wu et al."Inhibitory effects of acorn (Quercus variabilis Blume) kernel-derived polyphenols on the activities of α-amylase, α-glucosidase, and dipeptidyl peptidase IV."Food Biosci. 2021 Oct;43:101224

146. [IF=4.24] Nana Li et al."Characterization of phenolic compounds and anti-acetylcholinase activity of coconut shells."Food Biosci. 2021 Aug;42:101204

145. [IF=4.24] Mengzhen Han et al."Effect of mixed Lactobacillus on the physicochemical properties of cloudy apple juice with the addition of polyphenols-concentrated solution."Food Biosci. 2021 Jun;41:101049

144. [IF=4.27] Cuihua Chen et al."Metabolomics characterizes metabolic changes of Apocyni Veneti Folium in response to salt stress."Plant Physiol Bioch. 2019 Nov;144:187

143. [IF=4.35] Qian Ge et al."Effects of Simultaneous Co-Fermentation of Five Indigenous Non-Saccharomyces Strains with S. cerevisiae on Vidal Icewine Aroma Quality."Foods. 2021 Jul;10(7):1452

142. [IF=4.379] Zhang  Liang-Liang et al."Chemical composition, antibacterial activity and action mechanism of different extracts from hawthorn (Crataegus pinnatifida Bge.)."Sci Rep-Uk. 2020 Jun;10(1):1-13

141. [IF=4.379] Feng  Lin et al."Chemical profile changes during pile fermentation of Qingzhuan tea affect inhibition of α-amylase and lipase."Sci Rep-Uk. 2020 Feb;10(1):1-10

140. [IF=4.379] Zhang  Sifeng et al."Prediction of suitable brewing cuppages of Dahongpao tea based on chemical composition, liquor colour and sensory quality in different brewing."Sci Rep-Uk. 2020 Jan;10(1):1-11

139. [IF=4.411] Lin Chen et al."Dehydroascorbic Acid Affects the Stability of Catechins by Forming Conjunctions."Molecules. 2020 Jan;25(18):4076

138. [IF=4.411] Fang Sheng et al."The Analysis of Phenolic Compounds in Walnut Husk and Pellicle by UPLC-Q-Orbitrap HRMS and HPLC."Molecules. 2021 Jan;26(10):3013

137. [IF=4.556] Dandan Zhao et al."Physico-chemical properties and free amino acids profiles of six wolfberry cultivars in Zhongning."J Food Compos Anal. 2020 May;88:103460

136. [IF=4.653] Fengfeng Qu et al."Comparison of the Effects of Green and Black Tea Extracts on Na+/K+‐ATPase Activity in Intestine of Type 1 and Type 2 Diabetic Mice."Mol Nutr Food Res. 2019 Sep;63(17):1801039

135. [IF=4.759] Yi Zhang et al."Screening of inhibitors against histone demethylation jumonji domain-containing protein 3 by capillary electrophoresis."J Chromatogr A. 2020 Feb;1613:460625

134. [IF=4.759] Yueping Jiang et al."Application of multifold characteristic ion filtering combined with statistical analysis for comprehensive profiling of chemical constituents in anti-renal interstitial fibrosis I decoction by ultra-high performance liquid chromatogra

133. [IF=4.872] Jie Deng et al."Protective effect of hawthorn extract against genotoxicity induced by benzo()pyrene in C57BL/6 mice."Ecotox Environ Safe. 2020 Sep;200:110761

132. [IF=4.952] Yuxin Hao et al."Stability and mechanism of phenolic compounds from raspberry extract under in vitro gastrointestinal digestion."Lwt Food Sci Technol. 2021 Mar;139:110552

131. [IF=4.952] Fengfeng Qu et al."The new insight into the influence of fermentation temperature on quality and bioactivities of black tea."Lwt Food Sci Technol. 2020 Jan;117:108646

130. [IF=4.952] Jinjie Hua et al."Influence of enzyme source and catechins on theaflavins formation during in vitro liquid-state fermentation."Lwt Food Sci Technol. 2021 Mar;139:110291

129. [IF=4.952] Jia Xue et al."Contrasting microbiomes of raw and ripened Pu-erh tea associated with distinct chemical profiles."Lwt Food Sci Technol. 2020 Apr;124:109147

128. [IF=4.952] Ting Zhao et al."The antioxidant property and α-amylase inhibition activity of young apple polyphenols are related with apple varieties."Lwt Food Sci Technol. 2019 Aug;111:252

127. [IF=5.277] Jianping Wei et al."Assessment of chemical composition and sensorial properties of ciders fermented with different non-Saccharomyces yeasts in pure and mixed fermentations."Int J Food Microbiol. 2020 Apr;318:108471

126. [IF=5.279] Hui Li et al."Relationship between Secondary Metabolism and miRNA for Important Flavor Compounds in Different Tissues of Tea Plant (Camellia sinensis) As Revealed by Genome-Wide miRNA Analysis."J Agr Food Chem. 2021;69(6):2001–2012

125. [IF=5.279] Qinggang Yin et al."Identification of Specific Glycosyltransferases Involved in Flavonol Glucoside Biosynthesis in Ginseng Using Integrative Metabolite Profiles, DIA Proteomics, and Phylogenetic Analysis."J Agr Food Chem. 2021;69(5):1714–1726

124. [IF=5.279] Huan Zhang et al."Metabolite and Microbiome Profilings of Pickled Tea Elucidate the Role of Anaerobic Fermentation in Promoting High Levels of Gallic Acid Accumulation."J Agr Food Chem. 2020;68(47):13751–13759

123. [IF=5.279] Yinyin Liao et al."Effect of Major Tea Insect Attack on  Formation of Quality-Related Nonvolatile Specialized Metabolites in Tea (Camellia sinensis) Leaves."J Agr Food Chem. 2019;67(24):6716–6724

122. [IF=5.279] Zongde Jiang et al."Model Studies on the Reaction Products Formed at Roasting Temperatures from either Catechin or Tea Powder in the Presence of Glucose."J Agr Food Chem. 2021;69(38):11417–11426

121. [IF=5.64] Zhang  Yuxiang et al."Structure-Dependent Inhibition of Stenotrophomonas maltophilia by Polyphenol and Its Impact on Cell Membrane."Front Microbiol. 2019 Nov;0:2646

120. [IF=5.81] Mu  Jianfei et al."Determination of Polyphenols in Ilex kudingcha and Insect Tea (Leaves Altered by Animals) by Ultra-high-performance Liquid Chromatography-Triple Quadrupole Mass Spectrometry (UHPLC-QqQ-MS) and Comparison of Their Anti-Aging Effects."Fro

119. [IF=5.923] Hongyan Li et al."Overexpression of SmANS Enhances Anthocyanin Accumulation and Alters Phenolic Acids Content in Salvia miltiorrhiza and Salvia miltiorrhiza Bge f. alba Plantlets."Int J Mol Sci. 2019 Jan;20(9):2225

118. [IF=6.306] Yunke Huang et al."Ex vivo to in vivo extrapolation of syringic acid and ferulic acid as grape juice proxies for endothelium-dependent vasodilation: Redefining vasoprotective resveratrol of the French paradox."Food Chem. 2021 Jun;:130323

117. [IF=6.306] Wei Yang et al."Liquid chromatography–mass spectrometry-based metabolomics analysis of flavonoids and anthraquinones in Fagopyrum tataricum L. Gaertn. (tartary buckwheat) seeds to trace morphological variations."Food Chem. 2020 Nov;331:127354

116. [IF=6.475] Shuyuan Liu et al."Comparative studies on the physicochemical profile and potential hypoglycemic activity of different tea extracts: Effect on sucrase-isomaltase activity and glucose transport in Caco-2 cells."Food Res Int. 2021 Oct;148:110604

115. [IF=6.475] Mingchun Wen et al."Quantitative changes in monosaccharides of Keemun black tea and qualitative analysis of theaflavins-glucose adducts during processing."Food Res Int. 2021 Oct;148:110588

114. [IF=6.475] Zhenming Yu et al."Transformation of catechins into theaflavins by upregulation of CsPPO3 in preharvest tea (Camellia sinensis) leaves exposed to shading treatment."Food Res Int. 2020 Mar;129:108842

113. [IF=6.953] Li Zhao et al."Interaction mechanism between α-glucosidase and A-type trimer procyanidin revealed by integrated spectroscopic analysis techniques."Int J Biol Macromol. 2020 Jan;143:173

112. [IF=7.514] Hongcai Li et al."Study on the nutritional characteristics and antioxidant activity of dealcoholized sequentially fermented apple juice with Saccharomyces cerevisiae and Lactobacillus plantarum fermentation."Food Chem. 2021 Nov;363:130351

111. [IF=7.514] Jing Zhao et al."A sensitive and practical ELISA for analyzing naringenin in pummelo and herb samples."Food Chem. 2021 Nov;362:130223

110. [IF=7.514] Piaopiao Long et al."Untargeted and targeted metabolomics reveal the chemical characteristic of pu-erh tea (Camellia assamica) during pile-fermentation."Food Chem. 2020 May;311:125895

109. [IF=7.514] Li Zhao et al."Synergistic inhibitory effects of procyanidin B2 and catechin on acrylamide in food matrix."Food Chem. 2019 Oct;296:94

108. [IF=7.514] Mingchun Wen et al."Identification of 4-O-p-coumaroylquinic acid as astringent compound of Keemun black tea by efficient integrated approaches of mass spectrometry, turbidity analysis and sensory evaluation."Food Chem. 2022 Jan;368:130803

107. [IF=7.514] Yinyin Liao et al."Visualized analysis of within-tissue spatial distribution of specialized metabolites in tea (Camellia sinensis) using desorption electrospray ionization imaging mass spectrometry."Food Chem. 2019 Sep;292:204

106. [IF=9.147] Jianzhong Zhu et al."Effect of Rosa Roxburghii juice on starch digestibility: A focus on the binding of polyphenols to amylose and porcine pancreatic α-amylase by molecular modeling."Food Hydrocolloid. 2022 Feb;123:106966

105. [IF=1.902] Longfei Lin et al."Characterization of the constituents in rat plasma after oral administration of radix polygoni multiflori extracts by ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry."Biomed Chromatogr. 2015 Oct;29(10

104. [IF=1.902] Longfei Lin et al."Simultaneous determination of 14 constituents of Radix polygoni multiflori from different geographical areas by liquid chromatography–tandem mass spectrometry."Biomed Chromatogr. 2015 Jul;29(7):1048-1055

103. [IF=2.72] Suwen Liu et al."Protective effects of hawthorn (Crataegus pinnatifida) polyphenol extract against UVB-induced skin damage by modulating the p53 mitochondrial pathway in vitro and in vivo."J Food Biochem. 2019 Feb;43(2):e12708

102. [IF=3] Juan HUANG et al."Chemical profiles and metabolite study of raw and processed Polygoni Multiflori Radix in rats by UPLC-LTQ-Orbitrap MSn spectrometry."Chin J Nat Medicines. 2018 May;16:375

101. [IF=3.06] Zeyi Ai et al."Effect of Stereochemical Configuration on the Transport and Metabolism of Catechins from Green Tea across Caco-2 Monolayers."Molecules. 2019 Jan;24(6):1185

100. [IF=3.361] Ji Li et al."Efficient extraction of major catechins in Camellia sinensis leaves using green choline chloride-based deep eutectic solvents."Rsc Adv. 2015 Nov;5(114):93937-93944

99. [IF=3.361] Hui Li et al."Enrichment and purification of polyphenols in pine cone extracts of Pinus koraiensis Sieb. et Zucc. using a novel multi-channel parallel–serial chromatographic system packed with macroporous resin."Rsc Adv. 2015 Mar;5(39):30711-30718

98. [IF=3.69] Xingmei Nan et al."Bioactive fraction of Rhodiola algida against chronic hypoxia-induced pulmonary arterial hypertension and its anti-proliferation mechanism in rats."J Ethnopharmacol. 2018 Apr;216:175

97. [IF=3.894] Lixia  Liu et al."Protective effects of tea polyphenols on exhaustive exercise-induced fatigue, inflammation and tissue damage."Food Nutr Res. 2017;61(1):1333390

96. [IF=4.098] Chunlin Li et al."Rapid and non-destructive discrimination of special-grade flat green tea using Near-infrared spectroscopy."Spectrochim Acta A. 2019 Jan;206:254

95. [IF=4.411] Ninghui Ma et al."Chemical Fingerprinting and Quantification of Chinese Cinnamomi Cortex by Ultra High Performance Liquid Chromatography Coupled with Chemometrics Methods."Molecules. 2018 Sep;23(9):2214

94. [IF=4.451] Zhenzhen Ge et al."Comparison of the inhibition on cellular 22-NBD-cholesterol accumulation and transportation of monomeric catechins and their corresponding A-type dimers in Caco-2 cell monolayers."J Funct Foods. 2016 Dec;27:343

93. [IF=4.451] Jianzhong Zhu et al."In-vitro inhibitory effects of flavonoids in Rosa roxburghii and R. sterilis fruits on α-glucosidase: Effect of stomach digestion on flavonoids alone and in combination with acarbose."J Funct Foods. 2019 Mar;54:13

92. [IF=4.759] Fangyuan Gao et al."A comprehensive strategy using chromatographic profiles combined with chemometric methods: Application to quality control of Polygonum cuspidatum Sieb. et Zucc."J Chromatogr A. 2016 Sep;1466:67

91. [IF=4.952] Fengfeng Qu et al."Effect of different drying methods on the sensory quality and chemical components of black tea."Lwt Food Sci Technol. 2019 Jan;99:112

90. [IF=5.275] Ling-Ling Zhang et al."The mechanism of interactions between flavan-3-ols against a-glucosidase and their in vivo antihyperglycemic effects."Bioorg Chem. 2019 Apr;85:364

89. [IF=5.279] Jie Zhou et al."LC-MS-Based Metabolomics Reveals the Chemical Changes of Polyphenols during High-Temperature Roasting of Large-Leaf Yellow Tea."J Agr Food Chem. 2019;67(19):5405–5412

88. [IF=5.279] Suwen Liu et al."Hawthorn Polyphenol Extract Inhibits UVB-Induced Skin Photoaging by Regulating MMP Expression and Type I Procollagen Production in Mice."J Agr Food Chem. 2018;66(32):8537–8546

87. [IF=5.396] Jiachan Zhang et al."Understanding the role of extracts from sea buckthorn seed residues in anti-melanogenesis properties on B16F10 melanoma cells."Food Funct. 2018 Oct;9(10):5402-5416

86. [IF=5.396] Bo Chen et al."Comparative analysis of fecal phenolic content between normal and obese rats after oral administration of tea polyphenols."Food Funct. 2018 Sep;9(9):4858-4864

85. [IF=5.923] Cuihua Chen et al."Variations in Physiology and Multiple Bioactive Constituents under Salt Stress Provide Insight into the Quality Evaluation of Apocyni Veneti Folium."Int J Mol Sci. 2018 Oct;19(10):3042

84. [IF=7.514] Xuemei Guo et al."An emerging strategy for evaluating the grades of Keemun black tea by combinatory liquid chromatography-Orbitrap mass spectrometry-based untargeted metabolomics and inhibition effects on α-glucosidase and α-amylase."Food Chem. 2018 Apr;2

83. [IF=7.514] Shuyuan Liu et al."Effect of steeping temperature on antioxidant and inhibitory activities of green tea extracts against α-amylase, α-glucosidase and intestinal glucose uptake."Food Chem. 2017 Nov;234:168

82. [IF=10.588] Longfei Lin et al."A novel method to analyze hepatotoxic components in Polygonum multiflorum using ultra-performance liquid chromatography-quadrupole time-of-flight mass spectrometry."J Hazard Mater. 2015 Dec;299:249

81.  Yang, Jing, et al. "Determination of active compounds in raspberry leaf extracts and the effects of extract intake on mice." Food Science and Technology 40 (2019): 124-131.https:##doi.org/10.1590/fst.35518

80.  Wei, Jianping, et al. "Assessment of chemical composition and sensorial properties of ciders fermented with different non-Saccharomyces yeasts in pure and mixed fermentations." International journal of food microbiology 318 (2020): 108471.https:##doi.org/1

79.  Nan, Xingmei, et al. "Bioactive fraction of Rhodiola algida against chronic hypoxia-induced pulmonary arterial hypertension and its anti-proliferation mechanism in rats." Journal of ethnopharmacology 216 (2018): 175-183.https:##doi.org/10.1016/j.jep.2018.0

78.  Hua, Jinjie, et al. "Influence of enzyme source and catechins on theaflavins formation during in vitro liquid-state fermentation." LWT 139 (2021): 110291.https:##doi.org/10.1016/j.lwt.2020.110291

77.  Zhang, Minmin, et al. "Chemical characterization and evaluation of the antioxidants in Chaenomeles fruits by an improved HPLC-TOF/MS coupled to an on-line DPPH-HPLC method." Journal of Environmental Science and Health, Part C 36.1 (2018): 43-62.https:##doi

76.  Yu, Penghui, et al. "Distinct variation in taste quality of Congou black tea during a single spring season." Food science & nutrition 8.4 (2020): 1848-1856.https:##doi.org/10.1002/fsn3.1467

75.  Lin, Longfei, et al. "Characterization of the constituents in rat plasma after oral administration of radix polygoni multiflori extracts by ultra‐performance liquid chromatography/quadrupole time‐of‐flight mass spectrometry." Biomedical Chromatography 29.1

74.  Li, Wenfeng, Kun Zhang, and Qiang Zhao. "Fructooligosaccharide enhanced absorption and anti-dyslipidemia capacity of tea flavonoids in high sucrose-fed mice." International journal of food sciences and nutrition 70.3 (2019): 311-322.https:##doi.org/10.1080

73.  Longfei Lin, Hongmei Lin, Miao Zhang, Boran Ni, Xingbin Yin, Changhai Qu, Jian Ni,

A novel method to analyze hepatotoxic components in Polygonum multiflorum using ultra-performance liquid chromatography-quadrupole time-of-flight mass spectrometry,

Journal

72.  Huang, Juan, et al. "Chemical profiles and metabolite study of raw and processed Polygoni Multiflori Radix in rats by UPLC-LTQ-Orbitrap MSn spectrometry." Chinese journal of natural medicines 16.5 (2018): 375-400.https:##doi.org/10.1016/S1875-5364(18)30070

71.  Liu, Shuyuan, et al. "Effect of steeping temperature on antioxidant and inhibitory activities of green tea extracts against α-amylase, α-glucosidase and intestinal glucose uptake." Food chemistry 234 (2017): 168-173.https:##doi.org/10.1016/j.foodchem.2017.

70.  Liu, Shuyuan, et al. "Effect of steeping temperature on antioxidant and inhibitory activities of green tea extracts against α-amylase, α-glucosidase and intestinal glucose uptake." Food chemistry 234 (2017): 168-173.https:##doi.org/10.1016/j.foodchem.2017.

69.  Liu, Shuyuan, et al. "Effect of steeping temperature on antioxidant and inhibitory activities of green tea extracts against α-amylase, α-glucosidase and intestinal glucose uptake." Food chemistry 234 (2017): 168-173.https:##doi.org/10.1016/j.foodchem.2017.

68.  Yang, Jing, et al. "Comparisons of the active components in four unripe raspberry extracts and their activites." Food Science and Technology 39 (2019): 632-639.https:##doi.org/10.1590/fst.27418

67.  Cai, Ming, et al. "Changes in physicochemical profiles and quality of apple juice treated by ultrafiltration and during its storage." Food science & nutrition 8.6 (2020): 2913-2919.https:##doi.org/10.1002/fsn3.1593

66.  Liu, Jia, et al. "Grape skin fermentation by Lactobacillus fermentum CQPC04 has anti-oxidative effects on human embryonic kidney cells and apoptosis-promoting effects on human hepatoma cells." RSC Advances 10.8 (2020): 4607-4620.https:##doi.org/10.1039/C9R

65.  Xiang, X., Xiang, Y., Jin, S., Wang, Z., Xu, Y., Su, C., Shi, Q., Chen, C., Yu, Q. and Song, C. (2020), The hypoglycemic effect of extract/fractions from Fuzhuan Brick-Tea in streptozotocin-induced diabetic mice and their active components characterized by

64.  Yan, Fangfang, et al. "Comparison of the inhibitory effects of procyanidins with different structures and their digestion products against acrylamide-induced cytotoxicity in IPEC-J2 cells." Journal of Functional Foods 72 (2020): 104073.https:##doi.org/10.1

63.  Fangyuan Gao, Zihua Xu, Weizhong Wang, Guocai Lu, Yvan Vander Heyden, Tingting Zhou, Guorong Fan, A comprehensive strategy using chromatographic profiles combined with chemometric methods: Application to quality control of Polygonum cuspidatum Sieb. et Zuc

62.  Lin, Hongmei, et al. "Liquid-liquid extraction pretreatment samples method used for pharmacokinetic study of rhubarb in rats after oral administrated." Journal of Traditional Chinese Medical Sciences 5.3 (2018): 291-301.https:##doi.org/10.1016/j.jtcms.2018

61.  Yang, Wei, et al. "Liquid chromatography–mass spectrometry-based metabolomics analysis of flavonoids and anthraquinones in Fagopyrum tataricum L. Gaertn.(tartary buckwheat) seeds to trace morphological variations." Food chemistry 331 (2020): 127354.https:/

60.  Liu, Shuyuan, et al. "In vitro α-glucosidase inhibitory activity of isolated fractions from water extract of Qingzhuan dark tea." BMC complementary and alternative medicine 16.1 (2016): 1-8.

59.  Qu, Fengfeng, et al. "Comparison of the Effects of Green and Black Tea Extracts on Na+/K+‐ATPase Activity in Intestine of Type 1 and Type 2 Diabetic Mice." Molecular nutrition & food research 63.17 (2019): 1801039.https:##doi.org/10.1002/mnfr.201801039

58.  Liao, Yinyin, et al. "Effect of major tea insect attack on formation of quality-related nonvolatile specialized metabolites in tea (Camellia sinensis) leaves." Journal of agricultural and food chemistry 67.24 (2019): 6716-6724.https:##doi.org/10.1021/acs.j

57.  王慶衛,劉啟玲,崔勝文.不同干燥方式對紅棗營養品質及抗氧化活性的影響[J].食品工業,2020,41(12):218-222.

56.  喬小燕,操君喜,車勁,陳棟,劉仲華.基于滋味和香氣成分結合化學計量法鑒別不同貯藏年份的康磚茶[J].現代食品科技,2020,36(09):260-269+299.

55.  汪穎舒,朱廣灝,王冰,李杰榮,駱前飛,何修瀅,趙佳逸,修彥鳳.古法黑豆蒸曬與藥典黑豆汁連續蒸對何首烏中12個成分含量的影響[J].中草藥,2020,51(19):4972-4982.

54.  劉啟玲,王慶衛,崔勝文.不同預處理方式對紅棗熱風-微波聯合干燥品質特性及抗氧化活性的影響[J].食品研究與開發,2020,41(24):124-130.

53.  楊馨悅,楊宇馳,周秀娟,薛桂新.柑橘果醋發酵條件的優化及其成分分析[J].中國調味品,2020,45(10):75-79.

52.  李棟,薛瑞婷.高溫高濕氣體沖擊處理對中短波紅外干制紅棗品質的影響[J].食品研究與開發,2020,41(22):107-112.

51.  吳裕紅,彭新宇,張嘉慧,陳文露,徐志宏,龍曉英.楓蓼提取物成分分析及其主要成分黃酮對腸平滑肌的藥效學研究[J].黑龍江畜牧獸醫,2021(02):128-136.

50.  夏興莉,廖界仁,任太鈺,馬媛春,王玉花,房婉萍,朱旭君.低溫處理對茶樹葉片中γ-氨基丁酸和其他活性成分含量的影響[J].植物資源與環境學報,2020,29(05):75-77.

49.  王俊麗,龐克堅,唐輝,袁小紅,張虹,鄭家耀.蒙藥材博格日樂吉根的質量標準研究[J].中國現代應用藥學,2020,37(24):2953-2961.

48.  武興菲.紅棗干制過程中酚類物質的變化及其與褐變的關系[J].保鮮與加工,2021,21(03):125-129+135.

47.  王夢雪,戴寒鵬,李金明,蘇婭,韓欣然,李麗.土茯苓抑制CYP3A4酶活性的研究[J].長春師范大學學報,2020,39(08):60-63.

46.  馬有川,畢金峰,易建勇,杜茜茜,馮舒涵,李所彬.預凍對蘋果片真空冷凍干燥特性及品質的影響[J].農業工程學報,2020,36(18):241-250.

45.  張恒,鄭俏然,何靖柳,韋婷,劉翔,章斌.藏茶玫瑰烏梅無糖復合飲料研制及功能性成分分析與抗氧化研究[J].食品科技,2021,46(01):46-53+61.

44.  姜麗娜,李紀元,范正琪,童冉,莫潤宏,李志輝,蔣昌杰.金花茶組植物花朵內多酚組分含量分析[J].林業科學研究,2020,33(04):117-126.

43.  田莉, 李海萍, 袁亞宏,. 真空耦合超聲波提取蘋果渣多酚的工藝優化[J]. 食品科學, 2017(14):240-246.

42.  張藝沛, 張婷, 史一恒,. 藜麥茶加工工藝及酚類物質組成分析[J]. 食品科學, 2019, 040(012):267-274.

41.  王婷婷, 苑偉, 李華,. 復合小漿果果酒中的酚類物質及其抗氧化活性分析[J]. 食品與發酵工業, 2019, 45(03):183-188.

40.  王奕芳,溫承坤,陳茂彬,張玉,李琴,方尚玲.麻城老米酒中酚類物質的初探[J].中國釀造,2019,38(12):175-178.

39.  曠慧, 馮建文, 范倩,. 紅樹莓多酚的組分分析及體外抗脂質過氧化活性[J]. 食品科學, 2018, 39(003):83-89.

38.  孔宇, 張倚菲, 韓鵬云,. 沙棘籽粕多酚提取工藝優化,組分分析及抗氧化性能研究[J]. 中國油脂, 2020, 045(004):109-114.

37.  何財安, 張珍, 劉航,. 苦蕎多酚對苦蕎淀粉和小麥淀粉理化性質的影響[J]. 食品科學, 2017(09):66-71.

36.  王新然, 劉瑤, 張曉瑞,. 核桃瓣膜提取物組成、體外抗氧化性及其對羊肉保鮮作用分析[J]. 食品與發酵工業, 2019, 045(010):78-85.

35.  王瑋, 張紀偉, 趙一帆,. 瀾滄江流域部分茶區古茶樹資源生化成分多樣性的分析[J]. 分子植物育種, 2020(2).

34.  黃華林, 李波, 陳海強,. 不同萎凋時間英紅九號和黃化英紅九號紅茶品質比較[J]. 山西農業科學, 2019, 047(010):1742-1745.

33.  喬小燕, 陳維, 馬成英,. 不同倉儲地康磚茶生化成分比較分析[J]. 廣東茶業, 2019(5):7-10.

32.  湯曉, 倪翠陽, 王麗英,. 煮制時間與二次煮制對紫娟普洱茶抗氧化性的影響[J]. 食品工業科技, 2015, 036(008):141-147.

31.  萎凋方式對黃化英紅九號紅茶品質的影響

30.  喬小燕, 黃國資, 王秋霜,. 連續化生產線加工過程中客家炒青綠茶主要品質成分的化[J]. 廣東農業科學, 2014, 041(024):91-94.

29.  喬小燕, 黃華林, 李波,. 廣東客家茶樹種質資源兒茶素特性分析[J]. 江西農業學報, 2019, v.31(01):30-33.

28.  杜歡歡, 蔡艷妮, 江海,. 超高效液相串聯質譜同時測定茶葉中的8種有效物質[J]. 陜西理工大學學報(自然科學版), 2017(33):74-80.

27.  錢廣濤, 晁二昆, 孫偉,. 苦蕎芽和苗中黃酮類化合物含量差異及關鍵基因表達分析[J]. 中國實驗方劑學雜志, 2020, v.26(13):182-188.

26.  楊希娟, 黨斌, 樊明濤. 溶劑提取對青稞中不同形態多酚組成及抗氧化活性的影響[J]. 食品科學, 2018, 39(24):246-255.

25.  師仁麗  翟龍飛  于文龍 等. 利用DAD-HPLCLC-MS法檢測金絲小棗中黃酮類化合物[J]. 食品科學  2016(16):123-127.

24.  歐惠算,張靈枝,王維生.阿姆斯特丹散囊菌對六堡茶品質成分的影響研究[J].中國茶葉加工,2019(02):45-50.

23.  喬小燕, 饒幸霞, 黃國資,. 傳統客家綠茶在連續化生產線加工過程中主要品質成分的變化趨勢研究[J]. 江西農業學報, 2015, 000(004):74-77.

22.  李波, 黃華林, 陳欣,. 不同季節黃化英紅九號紅茶品質比較分析[J]. 山東農業科學, 2019.

21.  喬小燕, 李崇興, 姜曉輝,. 不同等級CTC紅碎茶生化成分分析[J]. 食品工業科技, 2018, 039(010):83-89.

20.  魏琳,盧鳳美,邵宛芳,袁唯.酸茶發酵過程中感官品質及主要成分變化分析[J].食品研究與開發,2019,40(14):69-74.

19.  周曉晴, 胡立文, 羅琦,. 茶葉籽油中茶多酚和兒茶素的測定[J]. 食品工業科技, 2019.

18.  黃貝, 李龍寶, 吳信潔,. 油茶花青素還原酶基因克隆和體外功能研究[J]. 茶業通報, 2018, 040(002):71-76.

17.  梅雙, 喬小燕, 陳維,. 半連續化生產線和傳統單機加工客家炒青綠茶主要品質成分比較分析[J]. 廣東農業科學, 2019(11).

16.  喬小燕, 黃秀新, 黃國資,. "二炒"溫度對傳統客家炒青綠茶品質特征的影響[J]. 廣東農業科學, 2015, 042(001):96-99.

15.  陳紅霞, 李灝, 呂杰,. 普洱茶渥堆發酵中活性成分測定及其相關性分析[J]. 北京化工大學學報(自然科學版), 2013, 40(005):84-87.

14.  王婷婷  蔡自建  蒲婉欣 等. 四川綠茶感官品質與主要滋味貢獻成分分析[J]. 食品研究與開發  2018  39(24):162-167.

13.  喬小燕, 李波, 何梓卿,. 黃化英紅九號紅茶體外抗氧化活性分析[J]. 農產品質量與安全, 2018, 000(005):85-90.

12.  李輝, 張靜, 李超,. 賀蘭山東麓不同陳釀年份赤霞珠干紅葡萄酒中酚類物質對澀感質量的影響[J]. 食品與發酵工業, 2018, 44(10):42-48.

11.  胡立文, 周曉晴, 張彬,. 茶葉籽油中兒茶素類和咖啡因含量測定[J]. 南昌大學學報(理科版), 2018, 42(002):134-138,146.

10.  郭穎, 黃峻榕, 陳琦,. 茶葉中兒茶素類測定方法的優化[J]. 食品科學, 2016, 37(06):137-141.

9.  易橋賓  谷風林  那治國 等. 發酵和焙烤對可可豆多酚、黃酮和風味品質的影響[J]. 食品科學  2015  36(015):62-69.

8.  阮鳴. HPLC法同時測定六安瓜片中七種活性成分的含量[J]. 南京曉莊學院學報  2016(6):37-42.

7.  陳希苗, 李美英, 許秋莉,. 體外模擬胃腸消化中山楂多酚及抗氧化活性的變化[J]. 食品科學, 2019, 040(005):31-37.

6.  周婷, 雷潤梅, 趙曉丹,. 花生紅衣中B型二聚體原花青素對丙烯酰胺的抑制效果[J]. 現代食品科技, 2016(10):66-71.

5.  姜萬舟, 高平, 楊明德,. 杏鮑菇乙醇提取物的抗氧化活性及成分分離鑒定[J]. 食品工業科技, 2015, 36(22):87-91.

4.  朱月, 張海平+, 侯亞男,. 黑果腺肋花楸原花青素的純化及表兒茶素和原花青素B_2含量測定[J]. 食品工業科技, 2017(19):246-250.

3.  黃文燁, 李星星, 黃雪松. 硫解法和正相色譜法測定山竹殼原花青素[J]. 食品工業科技, 2017, 38(19):260-264.

2.  戴瑋 付淑軍 常新全 王鵬 郝彧 左臣強 石小娜 何新.UPLC-MS/MS法同時測定比格犬血漿中表兒茶素與4β-(2-氨基乙硫基)表兒茶素[J].中國現代中藥 2017 19(03):381-386.

1.  白志文  劉聲菊  李莉 等. HPLC法同時測定金刺參九正合劑中4種有效成分[J]. 沈陽藥科大學學報  2018  035(003):188-192.

2011年開始我們致力于在生命科學領域生物醫學實驗技術及論文潤色服務,協助客戶各類實驗服務及論文潤色十多年,是您值得信賴的科研合作伙伴!

如果您受時間、試驗條件等限制而無法完成您的課題研究,歡迎您與我們聯系。

實驗技術服務:



滬公網安備 31011802001676號

主站蜘蛛池模板: 男人的天堂久久 | aⅴ在线视频男人的天堂 | 少妇xxxxxx| 国产看真人毛片爱做a片 | 亚洲日本欧美日韩高观看 | 国产永久免费观看视频 | 欧美牲交a欧美牲交aⅴ图片 | 91精品综合久久久久久五月天 | 国产农村妇女精品一区 | 网站黄在线 | 真人做爰免费毛片视频 | 欧美日韩成人在线播放 | 色偷偷色噜噜狠狠网站久久 | 亚洲自拍小说 | 亚洲最新网址 | 国产精品 高清 尿 小便 嘘嘘 | 国产精品国产免费无码专区不卡 | 日韩毛片无码永久免费看 | 夜夜躁狠狠躁日日躁2002讲述 | 青青草在线观看视频 | 2020国产精品视频 | 免费网站观看www在线观看 | 欧美黑人性暴力猛交喷水 | av片免费在线 | 青青草成人免费视频 | 亚洲精品成人无码影院 | 国产美女被遭强高潮网站不再 | 日韩av成人网 | 精品福利视频一区二区三区 | 国产日韩一区二区三区 | 精品一区二区三区免费视频 | 日韩少妇精品av一区二区 | 少妇一级淫免费播放 | 99re欧美 | 久久av色 | 日韩成人区 | 国产精品毛片久久久久久 | 国产边摸边吃奶边叫做激情视频 | 女人真人毛片全免费看 | 亚洲一卡2卡3卡4卡5卡精品 | 精品视频在线观看免费 | 国产日产亚洲系列最新美使用方法 | 亚洲处破女av一区二区中文 | 精品日韩一区 | 在线天堂视频 | 国产精品无码a∨精品 | 啪啪福利社 | 亚欧中文字幕久久精品无码 | 成人区亚洲区无码区在线点播 | 欧美最猛性xxxxx(亚洲精品) | 日韩精品成人一区二区三区 | 国产成人精品久 | 精品人妻无码专区在中文字幕 | 国产又粗又猛又爽又黄老大爷 | 色播播五月 | 日韩在线免费观看av | 天堂网成人 | 国产婷婷色综合av蜜臀av | 久操精品视频 | 98国产精品综合一区二区三区 | 国产啊~cao死你个小sao货 | 狠狠噜天天噜日日噜视频麻豆 | 午夜三级在线观看 | 一区二区三区无码视频免费福利 | 免费精品国自产拍在线播放 | 欧美精品一区二区在线观看 | 亚洲日本在线观看 | 欧美亚洲另类在线 | 亚洲欧洲av无码电影在线观看 | 久久久国产成人一区二区三区 | 久热综合 | 91啦视频 | 黄色片久久 | 免费精品视频 | www.色天使.com| 六月婷婷国产精品综合 | 久久久久国产 | 亚洲国产精品久久人人爱潘金莲 | 丁香婷婷激情五月 | 夜夜高潮夜夜爽国产伦精品 | 51国产偷自视频区视频 | 免费看韩国午夜福利影视 | 四虎影院在线播放 | 中文字幕在线字幕中文 | 免费a在线观看播放 | 少妇9999九九九九在线观看 | 夜夜操综合 | 亚洲欧美中日精品高清一区二区 | 99re久久资源最新地址 | 日韩乱码人妻无码超清蜜桃 | 末发育女av片一区二区 | 在线观看亚洲专区 | 99久久免费只有精品国产 | 91久久久爱一区二区三区 | 欧美综合自拍亚洲综合图 | 日本黄色免费在线观看 | 国产sm重味一区二区三区 | 久久99精品久久久影院老司机 | 久久精品一区二区三区av | 日日日操操操 | 亚洲熟妇色xxxxx欧美老妇y | 国产国拍精品av在线观看按摩 | 九九色精品| 国产拍拍拍无码视频免费 | 国产成人美女裸体片免费看 | 蜜臀av国产一区二区三区 | 人妻夜夜爽天天爽欧美色院 | 青青草无码国产亚洲 | 亚洲最大激情中文字幕 | 国内精品久久久久久久影视 | 又粗又大又黄又硬又爽免费看 | 亚洲人成电影网站 久久影视 | 国产麻豆精品精东影业av网站 | 婷婷夜色| 国产视频一区在线观看 | 国产不卡的av | 毛片完整版的免费观看 | 国产精品久久国产精品99 | 九一国产精品 | 91丨九色丨国产丨porny | 999精品无码a片在线1级 | 色琪琪av中文字幕一区二区 | 亚洲国产欧美日韩精品一区二区三区 | 国产日韩a| 99免费在线视频 | 日韩亚洲中字无码一区二区三区 | 亚洲免费在线观看 | 伊人久久大香线焦av综合影院 | 福利在线免费视频 | 欧美三级手机在线观看 | 一级黄色大片免费看 | 久久青娱乐| 天堂在线中文字幕 | 亚洲欧美偷拍另类 | 天堂√8 | 欧美区一区二区三 | 亚洲人成免费网站 | 香蕉久久久久久 | 黄色一级视频 | 无码国产一区二区免费 | 精品福利网 | 白丝久久| 九九99精品久久久久久综合 | 日本亚洲中文字幕不卡 | 国产精品搬运 | 精品一卡2卡三卡4卡免费视频 | 欧美成人高清 | 国产精品久久久尹人香蕉 | 亚洲福利影院 | 国产一级特黄aa大片 | 久久久免费 | 91爱爱视频| 日日人人爽人人爽人人片av | 亚洲综合中文 | 久久久久人人 | 欧洲人激情毛片无码视频 | 亚洲国产欧美中文丝袜日韩 | 久久天天躁狠狠躁夜夜96流白浆 | 日本在线不卡一区 | 国产精品 欧美精品 | 三级成年网站在线观看级爱网 | 久久久久久久国产精品影视 | 激情国产在线 | 热久久免费视频 | 国内精品免费网站牛牛 | 超h高h污肉多p催奶药h | 中文字幕在线中文 | 乱中年女人伦av二区 | 丰满饥渴的少妇hd | 久草大 | 国产高清av久久久久久久 | 亚洲成a人片77777精品 | 九九热久久免费视频 | 国产精品一区二区高清在线 | 青青操在线观看视频 | 天天想夜夜操 | 国产偷抇久久精品a片69麻豆 | 亚洲国产欧美日韩在线精品一区 | 欧美精品成人 | 红桃成人少妇网站 | 肉色丝袜脚交一区二区三区 | 亚洲成av人片在www色猫咪 | 国产高清亚洲精品视bt天堂频 | 好男人社区在线观看 | 拍国产乱人伦偷精品视频 | 99热久久免费频精品18 | 亚洲精品日本一区二区三区 | 欧美日韩在线不卡 | 日韩一区二区三区在线 | 国产男女视频在线观看 | 国产精品186在线观看在线播放 | 精品国产一区二区三区四区在线看 | 亚洲精品国产a久久久久久 欧美午夜场 | 日韩av网址在线观看 | 亚洲久久成人 | 国产女人与公拘交在线播放 | 国产精品a免费一区久久电影 | 一本综合久久 | 欧美成人免费一级 | 嫩模写真一区二区三区三州 | 亚洲精品第一国产综合国服瑶 | 在线观看国产黄色 | 正在播放大战肉丝少妇 | 婷婷五月俺也去人妻 | 在线观看精品视频网站 | 亚洲国产精品毛片 | 超碰成人97 | 精品国产免费观看久久久 | 亚洲成人aaa| 欧美 一区 | 久久精品在线视频 | av撸撸网站 | 一级男女裸片 | 欧美成人免费一区二区 | 国产裸体视频bbbbb | 国内精品久久久久影院免费 | 日本三级带日本三级带66 | 福利片一区二区 | 四虎成人精品永久免费av九九 | 寂寞骚妇被后入式爆草抓爆 | 欧美在线精彩视频免费播放 | 日韩一区精品视频一区二区 | 日韩欧美亚洲综合久久影院d3 | 又粗又硬整进去好爽视频 | 欧美一区二区久久久 | 国产成人理论在线观看视频 | 亚洲成在人 | 伊人久久精品一区二区三区 | 亚洲色图欧美在线 | 综合在线视频 | 亚洲国产精久久久久久久 | 国产青草视频在线观看视频 | 日韩在线精品成人av | 亚洲高潮呻吟xoxo | 色先锋影音岛国av资源 | 亚洲无砖砖区一二区免费 | 天天摸天天爽 | 国产一区二区三区怡红院 | 日韩精品高清在线观看 | 午夜影视啪啪免费体验区 | 国产成人精品一区二区三区免费 | 丰满奶水hdⅹxxx | 日韩免费无码成人久久久久久片 | 免费看无码自慰一区二区 | 青青青手机在线视频 | 国产福利在线观看 | 亚欧成a人无码精品va片 | 五月天婷婷综合 | 在线va无卡无码高清 | 亚洲国产va精品久久久不卡综合 | 蜜桃免费av | www.亚洲一区| 九九九在线观看 | 国产精品v欧美精品v日韩 | 久久无码人妻丰满熟妇区毛片 | 91官网在线 | 欧美黄色片免费 | 手机免费毛片 | www.一区二区三区在线 | 中国 | 国产一区二区黑人欧美xxxx | 亚洲色大成网站www久久九九 | 亚洲女人在线 | 日韩国产一区二区三区四区五区 | 日韩欧美啪啪 | 日韩片在线 | 亚洲精品无码mⅴ在线观看 午夜国产免费视频亚洲 | 欧美交换配乱吟粗大视频 | 三级国产99久久 | 人人妻人人爽人人做夜欢视频九色 | 男人的天堂在线观看av | 国产另类av | 成人又黄又爽又色的网站 | 日日躁狠狠躁夜夜躁av中文字幕 | 综合亚洲伊人午夜网 | 1024最新网址 | 日韩欧美一区二区三区视频 | 国产精品jizz在线观看美国 | 男人的天堂avav | 成熟妇人a片免费看网站 | 精品美女www爽爽爽视频 | 日本免费aaa观看 | av亚洲精华国产精华精 | 久久这里有精品国产电影网 | 全部免费毛片在线播放网站 | 丰满人妻妇伦又伦精品国产 | 99在线观看视频免费 | 国产真实乱人偷精品人妻 | 国产一区,二区 | 最近2019免费中文第一页 | 欧美情趣视频 | 白嫩少妇抽搐高潮12p | 日日夜夜精品视频免费 | 亚洲一区二区三区小说 | 亚洲鲁丝片一区二区三区 | 国模小婕私拍鲜嫩玉门 | 你懂的国产精品 | 日韩三级免费观看 | 日本一区二区三区在线播放 | 国产无人区码一码二码三mba | 成人性生交大片免费看r老牛网站 | 欧美片在线观看 | 冲田杏梨av一区二区三区 | 91精品国产高清91久久久久久 | 国产亚洲福利在线视频 | 久热精品在线播放 | 夜夜爽8888| 爱情岛论坛自拍亚洲品质极速福利 | 亚洲精品久久久无码大桥未久 | 国产美女裸体丝袜喷水视频 | 日日网| 天天躁日日躁狠狠躁图片swag | 欧美成人精品一区二区男人小说 | 吃奶在线观看 | 久久丁香五月天综合网 | 人妻国产成人久久av免费高清 | 日韩丰满少妇无吗视频激情内射 | 国产精品无码永久免费不卡 | 黄色av网站免费在线观看 | 成人精品gif动图一区 | 欧美丰满少妇xxⅹ | 日韩欧美亚洲综合久久影院ds | 12萝自慰喷水亚洲网站 | 人妻少妇伦在线无码专区视频 | 国产亚洲精品久久久91 | 亚洲色老汉av无码专区最 | 亚洲人禽杂交av片久久 | 自拍校园亚洲欧美另类 | 日韩av无码一区二区三区不卡 | 久久人人爽人人人人片 | 色婷婷影院 | 91麻豆视频在线观看 | 中文字幕第315页 | 国产午夜久久久 | 夜夜草av | 天堂av播放| 久久99免费视频 | 99国产精品粉嫩初高生在线播放 | 国产精品无码久久四虎 | 18禁真人抽搐一进一出动态图 | 国产91色在线 | 免费 | 福利一区在线 | 最近最好的中文字幕2019免费 | 黄色大片免费在线观看 | 黑人操日本 | 人人澡人人澡人人看添 | 男人天堂视频网站 | 精品国产乱码久久久久久蜜臀网站 | 动漫av一区二区在线观看 | 999久久久久久久久6666 | jizz成熟丰满中文字幕.麻豆 | 91在线欧美 | 亚洲欧洲精品成人久久奇米网 | 亚洲欧美综合在线一区 | 蜜臀久久99精品久久久久宅男 | 免费成年人视频在线观看 | 日韩av人人夜夜澡人人爽 | 无遮挡又色又刺激的女人视频 | 国产亚洲成年网址在线观看 | 99国内精品久久久久影院 | 亚洲九九九九 | 国产偷伦视频片免费视频 | wwwxx日本 | 99香蕉国产精品偷在线观看 | 亚洲35p| 精品国产污污免费网站 | 四十路av | 射射射综合网 | 欧美三级网址 | 色翁荡息又大又硬又粗又爽电影 | 51久久国产露脸精品国产 | 一本久道视频一本久道 | 国产亚洲一区二区三区在线观看 | 日日噜噜夜夜狠狠视频无码日韩 | 国内少妇情人精品av | 噜噜噜在线视频 | 亚洲欧美国产另类视频 | 青青草久 | 国产91在线播放九色快色 | 午夜性色 | av永久免费网站在线观看 | 国产女主播一区二区 | 中日躁夜夜躁 | 中国猛少妇色xxxxx | 久草福利资源在线观看 | 国产老妇伦国产熟女老妇视频 | 国产伦一区二区三区色一情 | 西西大胆午夜视频无码 | 特黄 大片做受又粗又硬又大 | 国产一线大片 | 在线a亚洲视频播放在线观看 | 人妻熟女av一区二区三区 | 国产99久一区二区三区a片 | 97精品久久久久中文字幕 | 无毛精品 | 日韩一区二区免费在线观看 | 麻豆精品偷拍人妻在线网址 | 性饥渴的农村熟妇 | 99精品丰满人妻无码a片 | 精品国产_亚洲人成在线 | www.蜜桃av | 国产av天堂无码一区二区三区 | 精品国产福利拍拍拍 | 中文字幕人妻中文 | 欧产日产国产精品精品 | 久久久久成人精品无码中文字幕 | 91丨九色丨国产 | 中文字幕在线日亚州9 | 美女高潮网站 | 欧美在线激情 | 沈阳45老熟女高潮喷水亮点 | 99热精品久久 | 超爱碰在线资源 | 美色综合 | 国产高清露脸孕妇系列 | 午夜精品在线视频 | 在线观看免费黄网站 | 日韩资源在线观看 | 亚洲爆乳精品无码一区二区 | 色5月婷婷 | 天天碰免费视频 | 一本一道波多野结衣一区二区 | 人人妻人人澡人人爽人人精品电影 | 国产黑色丝袜视频在线观看网红 | 嫩草影院一二三四 | 亚洲色图国产 | 色人阁五月| 国产无遮挡又黄又爽不要vip软件 | 日韩激情视频在线播放 | 欧美亚洲日本国产综合在线美利坚 | 蜜桃精品噜噜噜成人av | 亚洲春色av无码专区在线播放 | 亚洲天堂h | 国产欧美日 | 午夜国产福利在线 | 国产亚洲精品成人av久久影院 | 亚洲精品久久久久久久久久吃药 | 中文字幕天天躁日日躁狠狠躁免费 | 国产精品青草综合久久久久99 | 成人做受120秒试看试看视频 | 亚洲精品网站日本xxxxxxx | 亚洲欧美成人a∨观看 | 国产如狼似虎富婆找强壮黑人 | 亚洲操操操 | 日本免费网站视频 | 亚洲一区精品视频在线观看 | 精精国产xxxx视频在线播放 | 亚洲欧洲美洲无码精品va | 国产亚洲精品久久久久久无亚洲 | 精品视频首页 | 97爱亚洲| 一级aa毛片 | 日美韩av| 国产日韩精品中文字无码 | 嫩草嫩草嫩草 | av无码国产在线看免费网站 | 色欲久久综合亚洲精品蜜桃 | 尤物国产在线 | 亚洲 欧美 精品 | 国产aⅴ精品一区二区三区 昭和冢本农村中文字幕 | 日韩av在线一区 | 黄色毛片视频免费 | 国产成人亚洲综合网色欲网 | 好吊妞人成免费视频观看 | 国产成人精品久久二区二区 | 天天摸天天添 | 免费人成再在线观看视频 | 在线精品视频一区二区三四 | 欧美黑人乱大交 | 欧美日韩久久久精品a片 | 干干人人 | 国产jizz18高清视频 | 国产欧美精品另类又又久久 | 日韩资源站 | 亚洲va中文字幕无码久久 | 日本二区在线观看 | 久久人人爽人人爽久久小说 | 噜噜噜在线视频 | 一个人看的www免费视频在线观看 | 免费人成xvideos在线视频 | 亚洲精品无码久久久久久久 | 亚洲精品无码永久在线观看你懂的 | 激情四虎 | 99热3| 91网址在线 | 91观看在线视频 | 99爱国产精品免费高清在线 | 中文字幕乱码人妻一区二区三区 | 樱桃视频影视在线观看免费 | av有码在线观看 | 欧美精品成人在线视频 | 日本aⅴ| 欧美人与性动交ccoo | 成人国产精品色哟哟 | 亚洲午夜伦理 | 日韩动漫av| 一区二区三区在线视频观看 | 激情做爰呻吟视频舌吻 | 五月亚洲 | 亚洲中文字幕久久精品无码va | 亚洲国产成人av国产自 | 超级乱淫重口俱乐部 | 青青国产揄拍视频在线观看 | 国产精品一区二区三区在线播放 | 中文字幕在线视频观看 | 免费一级特黄3大片视频 | 国精品99久9在线 | 免费 | 91色蝌蚪 | 久久久国产成人 | 亚洲一区精品视频在线观看 | 石原莉奈在线观看88av | 亚洲精品一区二区三区高潮 | 亚洲高清中文字幕在线看不卡 | 欧美黑人性暴力猛交喷水 | 久久香综合精品久久伊人 | 日本插插插 | 久久久久久曰本av免费免费 | www成人在线 | 欧美老妇胖老太xxxxx | 久草精品视频在线看网站免费 | 国产精品1页| 国产欧亚州美日韩综合区 | 亚洲日韩久热中文字幕 | 激情文学久久 | 香蕉福利影院 | 欧美成人免费一区二区三区 | 中文字幕无码专区一va亚洲v专区在线 | 精品麻豆丝袜高跟鞋av | 色欲天天婬色婬香影院视频 | 国产精品国产精品国产专区不片 | 国产午夜无码精品免费看 | 午夜男人的天堂 | 久久精品大片 | 日韩精品一区二区在线播放 | 日本肉体xxxx裸体137大胆 | 成人欧美一区二区三区视频xxx | 尹人香蕉网 | 久久视频在线视频精品 | 国语自产拍91在线a拍拍 | 一区二区视频观看 | 亚洲国产视频一区二区 | 亚洲精品卡一卡2卡3卡4卡 | 张津瑜警花国产精品一区 | 日本黄漫动漫在线观看视频 | 亚洲欧洲精品一区二区三区 | 国产一区二区三区在线 | 伊人久久综合狼伊人久久 | 久久精品国产久精国产爱 | 免费观看的av毛片的网站 | 亚洲天堂狠狠干 | 国产一区二区三区小说 | 一区二区三区日韩 | 精品亚洲韩国一区二区三区 | 九一精品视频 | 婷婷久久亚洲 | 国产大陆亚洲精品国产 | 国产精品美女www | 久久99精品久久久久久野外 | 老色69久久九九精品高潮 | 最新国产精品剧情在线ss | 久久人人爽av亚洲精品天堂 | 97精品久久人人爽人人爽 | 亚洲欧洲免费无码 | www.91mv| 男人午夜视频在线观看 | 91手机视频| 手机午夜电影神马久久 | 亚洲精品色图 | 日本成片网 | 亚洲欧美日产综合在线 | 在线观看中文字幕网站 | 三级网站免费看 | 极品少妇被啪到呻吟喷水 | av黄色av| 蜜桃日本免费看mv免费版 | 国产成人亚洲综合网站 | 成人无码精品一区二区三区亚洲区 | 欧美一级特黄aaaaaa大片在线观看 | 男人吃奶摸下挵进去好爽 | 欧美日韩在线视频一区 | 国产破外女出血视频 | 91丝袜在线观看 | 在线观看免费视频污网站 | 性色av免费观看 | 国产二级毛片 | 麻豆国产在线精品国偷产拍 | 四虎最新入口 | 亲胸揉屁股膜下刺激视频免费网站 | 国产精品高潮呻吟av久久4虎 | 免费成人一级片 | 国产精品乱码一区二区三区四川人 | 自拍第一页| 亚洲一区二区影院 | 国产精品国产三级国产密月 | 久久久国产精品网站 | 久久久精品久久日韩一区综合 | 毛片资源网 | 人妻少妇精品无码专区动漫 | 亚洲精品久久久久久中文传媒 | 末世极度乱淫h | 国产女同互磨高潮在线观看 | 日本精品人妻无码免费大全 | 福利一级片 | 天天狠天天操 | 亚洲欧美伊人久久综合一区二区 | 国产三级av在线播放 | av在线亚洲欧洲日产一区二区 | 日本日皮视频 | 亚洲爆乳无码专区www | 欧美成在线视频 | 欧美精品偷自拍另类在线观看 | 午夜看片在线 | 无码人妻久久一区二区三区蜜桃 | 久久国产精品波多野结衣av | 国产成人精彩在线视频 | 丰满人妻一区二区三区视频 | 国产午夜免费 | 91亚洲精品久久久蜜桃借种 | 亚洲中文字幕av每天更新 | 国产又黄又猛又粗 | 91视频天堂| 久久久亚洲综合久久久久87 | 国产精品视频全国免费观看 | 婷婷色香合缴缴情av第三区 | 青青草原在线视频 | 中文字幕天天躁日日躁狠狠躁 | 秋霞偷拍 | 福利社av| 无遮挡h肉视频在线观看免费资源 | 免费a级毛片出奶水影院 | 日韩一级在线视频 | 久久久成人综合亚洲欧洲精品 | 好吊操视频这里只有精品 | 超碰在线观看91 | 韩国午夜福利片在线 | 国产不卡在线 | 永久免费在线看 | 亚洲国产成人无码网站大全 | 久久精品人人做人人爽 | 亚洲国产女人aaa毛片在线动漫 | 国产又爽又大又黄a片另类软件 | 精品亚洲网站 | 天天摸天天摸天天天天看 | 色综合久久无码五十路人妻 | 激情综合视频 | 男人扒开女人腿桶到爽免费 | 人妻洗澡被强公日日澡 | 亚洲乱图| 91黑人巨炮vs亚裔美女 | 成人一区在线观看 | 亚洲无线卡一卡二 | 免费人成在线观看播放a | 日日橹狠狠爱欧美二区免费 | 日本妞干网 | 亚洲一区二区三区欧美 | 人妻av无码系列一区二区三区 | 国产乱子伦视频一区二区三区 | 日本黄页网址 | 粉嫩av | 2019av在线视频 | 成人一区二区免费视频 | 一区二区三区四区产品乱码在线观看 | 乱码精品国产成人观看免费 | 美女无遮挡免费网站 | 黄色av地址 | 尤物精品在线观看 | 日本人成网站18禁止久久影院 | 中文字幕色网站 | 日本无码人妻一区二区色欲 | 日产一区日产2区 | 日韩成人免费在线视频 | 日韩 欧美 亚洲 | 中文字幕av无码一区二区蜜芽三区 | 成人美女黄网站色大色费全看在线观看 | 中国av一区二区三区 | 国产成年女人特黄特色大片免费 | 国产污污视频 | 精品欧美一区二区精品久久小说 | 亚洲精品一级 | 一道本一区| 国产中年夫妇高潮精品视频 | 上司人妻互换hd无码中文 | 99热久久这里只精品国产www | 国产成人一区二区三区免费视频 | 久久激情综合 | 成人亚洲性情网站www在线观看 | 久久免费精品视频 | 色欲网天天无码av | 国产精品日本 | 日韩精人妻无码一区二区三区 | 午夜影院一区 | 欧美又大又硬又粗bbbbb | 涩涩免费| 国产午夜草莓视频在线观看 | 国产一级淫片a免费播放口欧美 | av手机在线免费观看 | 乱人伦人妻精品一区二区 | 欧美浓毛大泬视频 | 秋霞国产午夜伦午夜福利片 | 99久久99视频只有精品 | 亚洲精品毛片av | 精品亚洲成a人在线观看 | 性色av无码专区一ⅴa亚洲 | 豆花视频18 成人入口 | 成人免费无码大片a毛片18 | 国精产品自偷自偷综合下载 | 丰满少妇高潮叫久久国产 | 精品一卡2卡三卡4卡免费视频 | 无码人妻丰满熟妇啪啪网站 | 日韩欧美一区二区在线视频 | 和漂亮岳做爰3中文字幕 | 国产精品久久久久久影院8一贰佰 | 狠狠综合久久久久综合网 | 色就色欧美 | 99热国产免费 | 美女少妇翘臀啪啪呻吟网站 | 日本一高清二区视频久二区 | 国产精品99久久久久久久久 | 狠狠色噜噜狠狠狠888米奇 | 亚洲免费在线视频观看 | 天天爽天天干 | 久久综合av色老头免费观看 | 久久久久久久久女人体 | 亚洲精品无播放器在线播放 | 中文字幕一区二区三区有限公司 | 字幕网最新入口 | 玉米地疯狂的吸允她的奶视频 | a资源在线| 亚韩精品中文字幕无码视频 | 欧美性猛交久久久乱大交小说 | 首页 综合国产 亚洲 丝袜日本 | 欧洲一级片 | 国产毛片毛多水多的特级毛片 | 亚洲天天影视 | 欧美成人一区二免费视频 | 国产精品 经典三级 亚洲 | 国产做爰xxxⅹ久久久小说 | 亚洲精品久久久久久宅男 | 电影内射视频免费观看 | 久久免费在线观看视频 | 亚洲va国产日韩欧美精品色婷婷 | 西西人体大胆尺度写真 | 骚虎视频在线观看 | 色婷婷狠狠五月综合天色拍 | 欧洲精品成人免费视频在线观看 | 一区二区日韩精品 | 女邻居的丰满奶水 | 亚洲日韩欧美一区二区三区 | 国产xxx69麻豆国语对白 | 国产在线不卡视频免费视频 | 天天综合久久 | 午夜视频在线播放一三 | 中国妇女做爰视频 | 扒开双腿疯狂进出爽爽爽 | 精品亚洲aⅴ无码一区二区三区 | 性强烈的欧美三级视频 | 日韩国产高清一区二区 | 欧美老女人性 | 欧美在线观看视频一区 | 免费女女同性av网站 | 精品无人国产偷自产在线 | 自拍偷拍中文字幕 | 国产精品污www一区二区三区 | 国产欧美亚洲精品a第一页 国产美女露脸口爆吞精 | 人妻丝袜中文无码av影音先锋专区 | 午夜性刺激免费看视频 | 久久伊人成人网 | 加勒比久久综合网天天 | 囯产精品一区二区三区线 | 国产欧美亚洲一区 | 日韩激情视频在线播放 | 久章草国语自产拍在线观看 | 一级黄在线观看 | 国产97色在线 | 美洲 | 亚洲天堂成人av | 国产精品玖玖玖在线 | 伊人亚洲| 亚洲一卡2卡新区国色天香 在线免费观看你懂的 | 国产一级aaa毛片 | 国产精品丝袜一区二区三区 | 绯色av蜜臀一区二区中文字幕 | 欧美亚洲另类视频 | 成人aaaa| 亚洲a级女人内射毛片 | 国产69囗曝吞精在线视频 | 影音先锋大型av资源 | 91综合在线观看 | 午夜一区二区国产好的精华液 | 在线播放免费人成毛片试看 | 日本久久久久久久做爰片日本 | 欧美成人黄色片 | 天天操天天爽天天干 | 日本xxxx少妇高清hd | 消息称老熟妇乱视频一区二区 | 五月婷婷激情久久 | 日韩av线观看 | a在线视频播放观看免费观看 | 看全色黄大色黄大片 视频 www.九九九 91丝袜高跟 | 久久九九日本韩国精品 | 日韩视频在线观看 | 九九九九九少妇爽黄大片 | 亚洲日韩欧美一区二区三区在线 | 国产午夜福利100集发布 | 日韩欧美国产网站 | 天天射天天噜 | 大吊一区二区 | 亚洲精品天天 | 国产漂亮白嫩美女在线观看 | 日产欧美国产日韩精品 | 毛片观看网站 | 本田岬在线视频 | 国产三级精品三级 | 尤物av无码色av无码麻豆 | 国产自国产自愉自愉免费24区 | 午夜老司机福利 | 欧美一区二区三区在线观看视频 | 手机在线毛片 | 国内自拍av| 国产日韩欧美中文 | 亚洲成熟人网站 | 国产玉足榨精视频在线观看 | 一区二区欧美日韩 | 黄色特级视频 | 老司机深夜福利在线观看 | 国产成人精品免费 | 久草手机在线播放 | 农村老熟妇乱子伦视频 | 免费av一区二区三区天天做 | 日本一区二区三区免费播放视频了 | 黑人上司好猛我好爽中文字幕 | 激情五月婷婷综合网 | 亚洲熟女中文字幕男人总站 | 亚洲女线av影视宅男宅女天堂 | 中文字幕av无码不卡免费 | 大地资源中文在线观看官网第二页 | 婷婷综合激情 | 久久人人97超碰国产公开 | 亚洲gv猛男gv无码男同短文 | 国产精品重口调教系列 | 四虎国产在线 | 国产激情综合 | 久久艹国产| 亚洲中文字幕不卡无码 | 巨大乳の揉んで乳榨り奶水 | 精品国产经典三级在线看 | 伊人网中文字幕 | 丰满的少妇xxxxx人 | 日韩欧美在线免费观看 | 国产第八页 | 久久人爽人人爽人人片av | 福利在线免费 | 久色tv | 久久这里只有精品99 | 国产少妇国语对白污 | 亚洲色偷偷偷网站色偷一区 | 中文字幕丝袜美腿 | 学生和学生三级在线看 | 一级特黄特色的免费大片视频 | 亚洲一二三区av | 在线一区二区不卡 | 日韩亚洲精品国产第二页 | 亚洲小说在线 | 亚洲最大成人av | 在线播放无码字幕亚洲 | 99色在线| 欧美综合网站 | 色偷偷一区二区无码视频 | 亚洲国产长腿丝袜av天堂 | 国产精品久久国产精品99 gif | 黄色一级小视频 | 免费涩涩| 少妇系列之白嫩人妻 | 国产日韩欧美精品一区二区三区 | av网站大全在线 | 欧美肥妇毛多水多bbxx水蜜桃 | 国产精品色片 | 午夜探花在线观看 | 真人与拘做受免费视频一 | 最新中文字幕一区 | 国产精品欧美亚洲777777 | 91久久嫩草影院一区二区 | 亚洲怡红院久久精品综合五月 | 久久人人添人人爽添人人88v | 久久另类视频 | 欧美老人巨大xxxx做受视频 | 欧美自拍第一页 | 日韩夜夜 | 91亚洲国产成人精品一区二三 | 国产精品毛片久久久久久久 | 国产精品久久免费观看spa | 妺妺窝人体色www看人体 | 乱爱av| 亚洲欧美日韩国产精品一区 | 自拍欧美日韩 | 99亚洲精品久久久99 | 美女毛片在线看 | 97超级碰碰碰视频在线观看 | 亚洲国产精品无码久久久久高潮 | 蜜臀视频在线一区二区三区 | 无人区码一码二码三码区别新月 | 在线观看亚洲精品国产福利片 | 337p亚洲日本中国大胆69 | 免费视频中文字幕 | 日韩一区二 | 亚洲人成网站18禁止久久影院 | 最新午夜综合福利视频 | 狂野欧美激情性xxxx在线观看 | 麻豆日产精品卡2卡3卡4卡5卡 | 国产精品一区二区在线观看99 | 国产精品黄色 | 夜夜爽少妇777777 | 无码人妻久久一区二区三区免费 | 久久伊人蜜桃av一区二区 | 真实国产网爆门事件在线观看 | 久久久久一级 | 俺来也俺去啦久久综合网 | 日日摸夜夜添无码无码av | 久久婷婷国产综合 | 色猫咪av | 中文字幕无码一区二区免费 | 欧洲视频一区二区 | av片日韩一区二区三区在线观看 | 五月丁色| 久久精品人人爽 | 欧美 亚洲 国产 另类 | 国产公开免费人成视频 | 全黄h全肉短篇禁乱男男第一次 | 亚洲精品无码中文久久字幕 | 欧美国产激情一区二区在线 | a黄毛片 | 亚洲桃色综合影院 | 国产成人精品人人 | 国产福利在线免费观看 | 特黄aaaaaaaaa真人毛片 | 国产美女精品人人做人人爽 | 男女猛烈无遮挡免费视频在线观看 | 日本又黄又硬又爽的大片 | 香港日本韩国三级网站 | 人妻丝袜中文无码av影音先锋 | 自拍 高清 日韩 欧美 另类 | 国产成人精品亚洲午夜 | 丁香婷婷六月综合交清 | 亚洲黄色av | 人妻色综合网站 | 无码人妻一区二区三区免费n鬼沢 | 新91视频在线观看 | mm131美女大尺度私密照尤果 | 亚洲 小说 欧美 另类 社区 | 欧美激情亚洲精品 | 亚洲精品aⅴ | 亚洲综合久久精品无码色欲 | 欧美在线www| 97国产精品久久久 | 天堂视频免费观看 | 四虎成人在线观看 | 又爽又黄又高潮的免费视频 | 一区二区三区久久久 | 一本综合久久 | 92福利视频1000免费 | 中文字幕制服狠久久日韩二区 | 97精品依人久久久大香线蕉97 | 奶头好大狂揉60分钟视频 | 好吊色欧美一区二区三区视频 | 最新日韩av | 亚洲三级在线中文字幕 | 亚洲中文字幕无码一去台湾 | 国产综合视频在线 | 中文无码不卡人妻在线看 | 免费大片黄国产在线观看 | 美女一区二区三区网av | 一区二区三区四区在线免费观看 | 日日夜夜操视频 | 野外av| 精品国产欧美一区二区三区不卡 | 人妻丰满熟妇av无码区hd | 少妇寂寞小伙满足少妇在线观看 | 制服丝袜亚洲中文欧美在线 | 色激情综合网 | 人人看人人射 | 色男人在线| 中文字幕日日 | 嫩草嫩草嫩草嫩草嫩草嫩草 | 春色av | 伊人热热 | 久久精品亚洲酒店 | 亚洲日本韩国欧美云霸高清 | 亚洲国产中文字幕在线视频综合 | 色综合视频一区二区三区44 | 女主被强啪的动漫视频 | 日韩亚洲国产中文字幕欧美 | 午夜福利啪啪无遮挡免费 | 日韩不卡在线播放 | 日本免费无遮挡毛片的意义 | 中年熟妇的大黑p | 色噜噜狠狠色综合久 | 久久婷婷五月综合成人d啪 思热99re视热频这里只精品 | 欧美人妖69xxxxxhd3d | 狠狠色丁香久久久婷 | 欧美精品一区二区三区四区 | 亚洲 欧美 天堂 综合 | 天天色综 | 在线观看网址你懂的 | 欧美一区二区三区 | 国产有码在线 | 欧美日本国产在线 | 国产精品成人无码久久久久久 | 国产视频亚洲精品 | 天堂中文8资源在线8 | 高清熟女国产一区二区三区 | 99re6在线观看 | 国产精品福利视频推女郎 | 丰满少妇乱子伦精品看片 | 手机在线亚洲国产精品 | 中国极品videossex少妇 | 狠狠躁日日躁夜夜躁 | 国内精品自线在拍2020不卡 | 欧美日韩国产精品激情在线播放 | 欧美成人a天堂片在线观看 欧美不卡在线 | 伊人男人天堂 | 无码国产乱人伦偷精品视频 | 国产亚洲精品久久久久久小舞 | 插我舔内射18免费视频 | 亚洲精品久久久蜜臀av站长工具 | 亚洲精品久久久久久久蜜桃臀 | 亚洲五月天综合 | 五月天久久久 | 精品久久久久久亚洲精品 | 国产日产欧美最新 | 天堂…在线最新版资源 | 亚洲爆乳www无码专区 | 手机精品视频 | 免费毛片一区二区三区亚女同 | 国内揄拍国内精品人妻 | 丁香色欲久久久久久综合网 | 成人综合区另类小说区 | 亚洲精品伊人久久久大香 | 国产精品无码素人福利不卡 | 亚洲va天堂va在线va欧美 | 伊人综合影院 | 久久青青草原av免费观看 | 国产三级精品在线 | a∨变态另类天堂无码专区 亚洲网视频 | 成人年无码av片在线观看 | 黄色在线观看视频 | 婷婷久久综合九色综合88 | 国产精品久久久久久无人区 | 亚洲最新无码成av人 | 午夜视频日韩 | 一级成人黄色片 | 一区二区三区网址 | 亚洲91久久 | www.国产99 | 午夜视频日本 | 国产精品每日更新 | 国精产品蘑菇一区一区有限 | 国产啪亚洲国产精品无码 | 亚洲视频欧美 | 最新国产aⅴ精品无码 | 日韩欧美中文字幕在线播放 | 男女啪啪做爰高潮无遮挡 | 欧洲人与动牲交α欧美精品 | 六月丁香婷婷色狠狠久久 | 国产女人水真多18毛片18精品视频 | 亚洲一区二区三区无码久久 | av最新高清无码专区 | 国产色系视频在线观看 | 日本人做受免费视频 | 国产日产欧美最新 | 久久精品www| 亚洲老熟女av一区二区在线播放 | 成年人视频网址 | 伊人久久久久久久久久久 | 亚洲日韩乱码一区二区三区四区 | 亚洲 日韩 国产 制服 在线 | 国产偷人激情视频在线观看 | 最新亚洲人成无码www | 久久综合香蕉国产蜜臀av | 国产又黄又湿无遮挡免费视频 | 亚洲国产v高清在线观看 | 被窝的午夜无码福利专区 | 少妇和黑人老外做爰av | 天干夜天天夜天干天2004年 | 国产又粗又长又黄的视频 | 日本一区二区三区在线观看视频 | 亚洲最新网址 | 日韩精品免费一区二区夜夜嗨 | 欧美美女一区二区 | 韩国激情高潮无遮挡hd | 亚洲精品日本一区二区三区 | 亚洲国产综合精品一区 | 国产精品高潮呻吟av久久男男 | 久久曰视频 | 国产精品成人一区二区网站软件 | 久久精品aⅴ无码中文字字幕蜜桃 | 久久精品无码专区免费青青 | 国产精品久久久午夜夜伦鲁鲁 | 亚洲国产av一区二区三区丶 | 亚洲乱码日产一区三区 | 欧美日韩在线视频一区二区 | 久久久久久午夜成人影院 | 国精产品乱码一区一区三区四区 | 国产成人精品一区二区秒拍 | 午夜精品久久久久久久久久蜜桃 | 青青草久草在线 | 成年轻人电影www无码 | 国产偷人激情视频在线观看 | 国产亚洲精品一区二三区 | 国产av国片精品jk制服 | 国产伦理久久 | 麻豆国产一区二区三区四区 | 可以免费观看的av网站 | 97碰碰碰| 亚洲 国产 另类 精品 专区 | 噜噜噜在线观看免费视频日本 | 色多多福利网站免费破解 | 天天舔天天射天天干 | 暖暖视频日本在线观看 | 日韩在线第一 | 无码人妻久久一区二区三区蜜桃 | 国产乱人伦av在线a麻豆 | 婷婷色爱区综合五月激情 | 亚洲一区二区三区四区五区中文 | 色综合av亚洲超碰少妇 | 91视频在 | 久久视频这里有久久精品视频11 | 九九涩 | www.国产成人 | 九一视频国产 | 狠狠色狠狠综合久久 | 亚洲欧美一二三区 | 日本片网站 | 99热最新在线 | 亚洲午夜无码久久久久小说 | 又黄又爽又色视频 | 亚洲精品无码成人网站 | 五月婷婷激情五月 | 免费人成激情视频在线观看冫 | 久久国内精品自在自线观看 | 亚洲va无码专区国产乱码 | av在线中文字幕不卡电影网 | 尤物九九久久国产精品的特点 | 亚洲乱码日产精品m | 欧美日韩亚洲国产欧美电影 | 亚瑟av亚洲精品一区二区 | 成人免费色视频 | 亚洲性无码av在线dvd | 国产午夜福利精品久久不卡 | 久久人妻av中文字幕 | 国精产品一区一区三区mba桃花 | 亚洲色大成网站www国产 | 亚洲午夜无码久久 | 黄色在线免费观看 | 精品无码老熟妇magnet | 欧美剧场 | 中国一级特黄毛片大片久久 | 青草青草久热精品视频在线观看 | 亚洲一区二区三区在线网址 | 欧美少妇性生活 | 日本偷偷操| 大香交伊人 | 欧美成人精品一区二区综合a片 | 色婷婷五月综合亚洲小说 | 毛片手机在线观看 | 亚洲 欧美 综合 在线 精品 | 久久zyz资源站无码中文动漫 | 久久精品人妻一区二区三区 | 国产第9页 | 国产aⅴ激情无码久久久无码 | 26uuu亚洲综合色欧美 | 久久青草精品欧美日韩精品 | 日韩视频一区二区三区在线观看 | 亚洲精品久久yy5099 | 国产成人啪精品视频免费视频 | 亚洲欧洲日产国无高清码图片 | 九九久久99综合一区二区 | 激情综合色综合啪啪五月丁香 | 97欧美一乱一性一交一视频 | 国产一级片在线播放 | 污网址在线 | 国产初高中生视频在线观看 | 亚洲 欧美 国产 67194 | 无码成人一区二区 | 最大胆裸体人体牲交免费 | 夜夜嗨国产露脸精品国产 | 97国产资源| 亚洲人成在线7777 | 一区二区亚洲欧美在线 | 伊人久久大香线蕉无码综合 | 四虎影院永久在线 | 色婷婷av一区二区三区gif | 国产精品高潮久久 | 国产美女裸体无遮挡免费视频 | 97成人在线 | 一区二区三区波多野结衣在线观看 | 欧洲免费无码视频在线 | 亚洲国产一区视频 | 国产麻豆精品sm调教视频网站 | 一本色道久久88综合日韩精品 | 超碰成人在线免费观看 | 黑色丝袜呻吟国产精品 | 成人欧美一区二区 | 久久中文字幕无码中文字幕有码 | 国产精品色图 | 在线va亚洲va天堂中文字幕 | 久久午夜夜伦鲁鲁片免费无码影院 | 人妻夜夜爽天天爽一区二区 | 国产丝袜一区二区 | 香蕉视频在线播放 | 蜜臀av一区二区 | 强制高潮18xxxx国语对白 | 成人性生交大片免费看r链接 | 好吊妞国产欧美日韩免费观看网站 | 国产色视频自在线观看 | 中文字幕乱码人妻综合二区三区 | 羞羞网站在线看 | 精品乱码久久久久久中文字幕 | av黄色小说| 人人澡人人澡人人看 | 在线一区二区三区四区 | 在线日| 亚洲久久久 | 国产美女久久精品香蕉 | 久久久国产精品亚洲一区 | 久久国产精品国产四虎90后 | www.youjizz日本| 天堂中文8资源在线8 | 日本五月天婷久久网站 | 九九热欧美 | 欧美丰满高潮xxxx喷水动漫 | 一本一道人人妻人人妻αv 九九最新视频完整 | 操操操综合 | 国产精品床戏女高潮原声 | 久久久久久aaaabbbb | 亚洲国产成人在线视频 | 国产精品久久久久久亚洲伦 | 国产高清成人免费视频在线观看 | 亚洲日韩v无码中文字幕 | 性欧美becpho高清hd | 美欧一级片 | 美女又色又爽视频免费 | 国产婷婷一区 | 就去吻综合网 | 日韩孕妇孕交妊娠高潮 | 欧美一线二线三显卡 | 亚洲色图欧美在线 | 成人亚洲国产精品一区不卡 | 红桃视频黄色 | 国产精品久久久久久久久免费樱桃 | 亚洲vav在线男人的天堂 | 免费观看特级毛片 | 91久久国产露脸精品国产 | 中文字幕一区二区免费 | 亚洲卡一卡二卡三新区乱码 | 国产美女无遮挡网站 | 国产成人不卡无码免费视频 | 亚洲人成中文字幕在线观看 | 国产对白农村老女人性视频对话 | 久久免费看a级毛毛片 | 午夜精品视频一区 | 国产寡妇树林野战在线播放 | av在线播放网 | 国产精品久久久久高潮色老头 | 国产成人无码h在线观看网站 | 亚洲欧美日韩成人 | 色婷婷丁香 | 精品亚洲国产成人av在线时间短的 | 日本精品婷婷久久爽一下 | 五月天婷婷视频在线观看 | 国产白嫩精品又爽又深呻吟 | 日韩久色 | 夜夜躁日日躁狠狠久久av | 欧美日韩国产激情 | 欧美疯狂做受xxxx高潮 | 国产亚洲精品久久久美女18黄 | 国产美女黄网站 | 一区二区三区日韩 | 怡红院亚洲第一综合久久 | 国产精品精品自在线拍 | 国产日韩欧美精品一区二区三区 | 色综合久久一区二区三区 | 老司机深夜免费福利 | 亚洲永久精品在线观看 | 亚洲综合激情五月久久 | 国产免费一区二区三区在线能观看 | 国产一级二级视频 | 亚洲午夜精品a片久久www慈禧 | 国产亚洲精品第一综合另类 | 日本午夜免a费看大片中文4 | 日韩二区在线观看 | 日本www.在线中文字幕 | 精品国产在天天线2019 | 国产精品一区二区久久国产 | 亚洲va在线∨a天堂va欧美va | 日产国产精品精品a∨ | 少妇粗大进出白浆嘿嘿视频 | 亚洲黄色在线播放 | 国产无套粉嫩白浆内谢 | 日日碰狠狠躁久久躁96 | 日韩综合久久 | 精品国产麻豆免费人成网站 | 开心色婷婷色五月激情 | 国产免费久久久久久无码 | 影音先锋日韩精品 | 四虎1515 | 久久精品国产亚洲一区二区 | 亚洲愉拍99热成人精品热久久 | 蜜桃色永久入口 | 国产ts人妖调教重口男 | 女教师2hd伦理中文字幕 | 狠狠五月深爱婷婷网 | 欧美亚洲综合成人专区 | 中文字幕无码人妻aaa片 | 伊人大香人妻在线播放 | 奶头挺立呻吟高潮视频 | 欧美成人精品一区二区综合 | av无码岛国免费动作片 | 天天综合天天做天天综合 | 亚洲天堂中文字幕在线观看 | 中文字幕理伦午夜福利片 | 很污的网站在线观看 | 一区二区三区免费 | 69国产成人综合久久精品欧美 | 无码人妻精品一区二区三区久久久 | 日本高清无卡码一区二区 | 免费一区在线观看 | 91免费在线 | 国产精品久久久久精k8 | 性色av无码专区一ⅴa亚洲 | 国产粉嫩嫩00在线正在播放 | 亚洲图片欧美视频 | 91精品久久久久久久99软件 | 亚洲一区欧美精品 | 色噜噜狠狠狠综合曰曰曰88av | 国产羞羞网站 | 亚洲第一视频在线观看 | 亚洲国产精品无码久久久动漫 | 欧美在线视频播放 | 人人妻人人爽人人爽 | 三级黄色片在线观看 | 凹凸国产熟女精品视频app | 秋霞av在线露丝片av无码 | www.91av在线 | 精品人妻系列无码专区 | 国模少妇无码一区二区三区 | 成人精品视频99在线观看免费 | 亚洲3dmax成人 | 成色视频 | 日本hd好看的国产的 | 亚洲国产精品天堂 | 国产无遮挡 | 伊人久久大香线蕉午夜av | 又色又爽又黄的gif动态图 | youjizz在线播放| 国产精品夜夜春夜夜爽久久小 | 欧美,日韩,国产在线 | 另类αv欧美另类aⅴ | 欧美成人午夜在线观看视频 | 日韩av在线网址 | 国产美女精品视频线免费播放软件 | 亚洲欧洲综合 | 中文字幕在线视频第一页 | 宅男噜噜噜66国产精品86 | 日韩欧美亚洲国产精品字幕久久久 | 狠狠躁18三区二区一区传媒剧情 | 黄色大片免费在线观看 | 天堂v亚洲 | 国产欧美视频在线观看 | 亚洲综合区小说区激情区 | 亚洲中文字幕无码一区 | 亚洲天堂成人在线观看 | 久久国产插 | 国产一区二区精品 | 一区二区三区国产精品 | 黑人操日本女人视频 | 狼群社区视频www国语 | 无码av最新清无码专区吞精 | 粗大的内捧猛烈进出小视频 | 国产精品婷婷久久爽一下 | 国内精品久久久久久久97牛牛 | 在线美女av | 排球少年第四季在线看樱花 | 亚洲国产美女久久久久 | 曰本无码不卡高清av一二 | 污漫网站| 午夜精品一区二区三区免费视频 | 99re久久精品国产 | 美女露全乳无遮掩视频 | 亚洲国产精品成人综合久久久久久久 | 搜一级黄色片 | 激情综合一区二区迷情校园 | 日韩一级在线播放 | 国产欧美日韩一区二区加勒比 | 亚洲免费大全 | 国产精品sm捆绑调教视频 | 亚洲 自拍 欧美 小说 综合 | 无码人妻一区二区无费 | 国产精品日本亚洲777 | 国产成人av一区二区三区无码 | 国产xxxx成人精品免费视频频 | 真实国产乱啪福利露脸 | av在线不卡免费观看 | 宝贝腿开大点我添添公视频免费 | 欧美日韩高清在线播放 | 米奇7777狠狠狠狠视频影院 | 国产精品一区二区av片 | 人人妻人人做人人爽精品 | 亚洲一区色 | 日本在线播放一区二区 | 久久综合综合久久综合 | 香蕉久久夜色精品升级完成 | 欧美精品黑人猛交高潮 | 国产成人国产在线观看 | 久久久久久视 | 国产乱色国产精品免费视频 | 亚洲乱码中文字幕综合 | 91av 视频 | 久青草影院在线观看国产 | 希岛爱理aⅴ在线中文字幕 天天爽天天狠久久久综合麻豆 | www色综合| 成码无人av片在线电影网站 | 久久www免费人成看片好看吗 | 国产玖玖| 男人和女人上床的视频 | 久久久国产成人一区二区 | 一本一道久久a久久综合精品 | 毛片免费视频在线观看 | 国产精品无码一区二区在线看 | 亚洲特级片 | 欧美性视频一区二区三区 | 无码囯产精品一区二区免费 | 推油少妇久久99久久99久久 | 99久久人妻精品免费二区 | 国产精品亚洲一区二区无码 | 精品999日本久久久影院 | 国产沙发午睡系列999 | 亚洲 小说区 图片区 都市 | 成人二区三区 | 极品白嫩少妇无套内谢 | 五月综合色 | 久久4| 一二三四在线观看免费视频 | 久产久精国产品 | 亚洲精品乱码一区二区三区 | 国内精品国产成人国产三级粉色 | 欧美视频精品在线观看 | 成人做爰www网站视频 | 性大片免费视频观看 | 欧美日韩国产在线人成 | 人妻换人妻仑乱 | 国产精品久久久久久久久久久久人四虎 | 99爱在线精品免费观看 | 日韩人妻熟女中文字幕 | 免费夜色污私人网站在线观看 | 久久午夜无码鲁丝片 | 好吊操这里有精品 | 成人av影音 | 在线观看黄a | av中文字幕免费观看 | 日本精品久久久久 | 538任你躁精品视频网免费 | 人人爽久久涩噜噜噜网站 | 亚洲国内成人精品网 | 国产午夜影视大全免费观看 | 国产一二区在线 | 国产最爽的乱淫视频国语对白1 | 黑人专干日本人xxxx | 精品亚洲aⅴ在线观看 | 天天天天天天天天干 | 欧美精品久久久久久久久久丰满 | 无码任你躁久久久久久老妇蜜桃 | 国产女主播高潮在线播放 | 无码人妻丰满熟妇区五十路百度 | 午夜合集 | 夜色约爱网站 | 在线精品视频一区二区三区 | 成人免费一区二区三区视频软件 | 青青草娱乐在线 | 国产午夜精品久久 | 日韩亚洲欧美一区二区三区 | 福利一区在线观看 | 性欧美在线视频观看 | 免费一级做a爰片性色毛片 黑人玩弄出轨人妻松雪 | 国产互换人妻xxxx69 | 天堂网在线www资源 日出水了特别黄的视频 | 亚洲精品一区二区三区蜜臀 | 亚洲一区二区三区中文字幕 | 婷婷天天| 日本少妇三级hd激情在线观看 | 真实处破女刚成年av网站 | 免费的很黄很污的视频 | 午夜福利啪啪体验区 | 久久中文字幕人妻熟女少妇 | 性欧美video高清丰满 | 亚洲aⅴ在线无码播放毛片一线天 | 国产人交视频xxxcom | 久久97久久97精品免视看秋霞 | 强奷漂亮少妇高潮麻豆 | 一本之道高清无码视频 | 久草福利站 | 免费人成网站视频在线观看国内 | 欧美亚洲高清 | 又爽又大又黄a级毛片在线视频 | 日韩一区二区三区在线观看视频 | 三男一女吃奶添下面视频 | 国产午夜成人av在线播放 | 青青操视频在线 | 国产精品人妻免费精品 | 日本中文乱码卡一卡二新区 | 成人亚洲欧美在线观看 | 成人啪精品视频网站午夜 | yy111111少妇无码影院 | 亚洲精品乱码久久久久久麻豆不卡 | 99久久国产露脸精品 | 99re视频精品 | 日韩欧美亚洲综合久久影院ds | 高潮毛片无遮挡高清免费 | 老司机久久一区二区三区 | 236宅宅理论片免费 女同互慰高潮呻吟免费播放 | 天干夜啦天干天干国产免费 | 欧美牲交a欧美牲交aⅴ另类 | 不卡欧美 | 欧美天天搞 | 日韩专区中文字幕 | 欧美一区二区三区成人久久片 | 成人三级在线视频 | 91精品啪在线观看国产 | 久久国内精品自在自线图片 | 天天天操天天天干 | 亚洲网av | 国产精品久久毛片av大全日韩 | 正在播放国产真实哭都没用 | 黄片毛片在线看 | sihu在线播放 | 青娱乐国产 | 男女污视频在线观看 | 91毛片网 | 妓院一钑片免看黄大片 | 国产熟睡乱子伦视频 | 国产又粗又猛又大爽视频 | 亚洲午夜成人久久久久久 | 久久精品久久久精品美女 | 久久精品国产免费播 | 男人天堂视频在线观看 | 99久久久无码国产麻豆 | 精品久久久久久无码免费 | 亚洲第一区国产精品 | 偷偷操99| 色偷拍 自怕 亚洲 10p | 一区二区国产在线 | 区二区欧美性插b在线视频网站 | 夜夜未满十八勿进的爽爽影院 | 黄色一视频 | 永久久久免费人妻精品 | 今日宜喜欢短剧免费观看 | 黑人3p波多野结衣在线观看 | 久久婷婷色综合 | 国产乱来 | 亚洲一线二线三线写真 | 日本www网站色情乱码 | 免费看一区无码无a片www | 久久综合色天天久久综合图片 | 亚洲国产女人 | 欧洲黄网| 成人激情小说网站 | 欧美日二区 | 成人性生交免费看 | 国产日韩av免费无码一区二区三区 | 久久久久久久久久久影院 | 色www视频永久免费 亚洲精品一卡2卡3卡4卡乱码 | 91精品国产99久久久久久 | eeuss鲁一区二区三区 | 丰满岳妇饱满的双乳在线观看 | 一边摸一边做爽的视频17国产 | 潮喷失禁大喷水aⅴ无码 | 翘臀少妇后进一区二区 | 超碰青青操 | 欧美熟妇丰满肥白大屁股免费视频 | 免费人成再在线观看视频 | 亚洲国产成人在线 | 久久精品久久精品久久 | 干干人人 | 免费黄色亚洲 | 国产精品美女久久久久久 | 色天使久久综合给合久久97色 | 午夜精品视频在线观看 | 精品国产肉丝袜在线拍国语 | 国产小呦泬泬99精品 | 国产精品女视频一区二区 | 美女乱淫免费视频网站 | 亚洲高清无码加勒比 | 亚洲国产精品福利 | 国产精品igao视频网入口 | 69国产成人综合久久精品欧美 | 国产日韩精品在线 | 四虎成人欧美精品在永久在线 | 91精品国自产在线偷拍蜜桃 | 国产人妖ts重口系列网站观看 | 粉嫩av一区二区三区免费观看喜好 | 国产女人高潮嗷嗷嗷叫 | 日日摸日日添日日碰9学生露脸 | 婷婷精品国产一区二区三区日韩 | 国产激情з∠视频一区二区 | 美女黄频网站 | 亚洲精品中文字幕一区二区三区 | 日本伊人久久 | 欧美一级片网址 | 国产区精品福利在线社区 | 强奷漂亮少妇高潮在线观看 | 欧美刺激性大交亚洲丶日韩 | 一级大片在线 | 乱码午夜-极国产极内射 | 1515hh成人免费看 | 欧美饥渴熟妇高潮喷水 | 日韩成人av网站 | 最新69国产成人精品视频 | 免费国产一二三区四区乱码 | 天天躁日日躁狠狠躁800凹凸 | 久草一区二区 | 亚洲 欧美 国产 日韩 中文字幕 | 亚洲精品456在线播放 | 亚洲欧美不卡高清在线 | 伊人久久久大香线蕉综合直播 | 日产精品卡二卡三卡四卡乱码视频 | 国内揄拍国产精品人妻门事件 | 久久久免费精品视频 | 人人爽久久久噜噜噜婷婷 | 无码男男作爱g片在线观看 我把护士日出水了视频90分钟 | 欧美午夜理伦三级在线观看 | 亚洲自拍小说 | 青春草在线视频观看 | 香蕉噜噜噜噜私人影院 | 亚洲视频免费在线播放 | 调教重口xx区一精品网站 | 日韩专区第一页 | 亚洲偷色 | 免费午夜爽爽爽www视频十八禁 | 精品国产91乱码一区二区三区 | 国内精品无码一区二区三区 | 中文字幕乱码免费看电影 | 免费在线观看a视频 | 男人的天堂在线 | 人妻系列无码专区无码专区 | 人人舔人人爱 | 欧美人与性动交0欧美精一级 | 成人羞羞国产免费网站 | 免费无遮挡无码永久视频 | 91ts国产人妖系列 | 亚洲欧洲日产国码中文字幕 | 欧美激情精品成人一区 | 欧美美女性生活视频 | 日韩日韩日韩日韩日韩 | 国内精品视频免费观看 | 丝袜视频一区 | 中文字幕无码久久精品 | 99视频一区二区 | 亚洲性人人天天夜夜摸18禁止 | 日韩中文亚洲欧美视频二 | 日韩一卡二卡三卡四卡免费观在线 | 亚洲精品一 | 在线播放国产精品三级 | 在线免费看av的网站 | 三日本三级少妇三级99 | 国产精品亚洲专区无码牛牛 | 亚洲国产日韩一区 | 久久成人免费网站 | 国产成人中文字幕 | 四虎国产精品永久地址入口 | 日韩无 | 久久 国产 尿 小便 嘘嘘 | аⅴ天堂中文在线网 | 色婷婷综合久久久久中文字幕 | 黑色丝袜国产精品 | 国产精品美女久久久另类人妖 | 精品国产成人一区二区 | 亚洲一区二区三区av在线观看 | 中文字幕资源 | 午夜视频福利在线观看 | 久久精品无码专区免费 | 亚洲日韩在线观看免费视频 | 精品无人乱码一区二区三区的特点 | 日韩精品东京热无码视频 | 日韩欧无码一二三区免费不卡 | 久久亚洲一区二区三区舞蹈 | 亚洲 欧美 成人 自拍 高清 | 2014天堂网| 丰满少妇被猛烈进av毛片 | 日韩女女同性aa女同 | 久久久精品无码中文天美 | 欧美一区二区三区免费看 | 日韩内射美女人妻一区二区三区 | 国产精品色拉拉 | 免费午夜影院 | 国产对白叫床清晰在线播放 | 欧洲一卡2卡三卡4卡免费视频 | 国产精品乱码一区二区 | 久久美女性网 | 性色欲情网站iwww | 疯狂添女人下部视频免费 | 99久久er热在这里只有精品99 | 91五月婷蜜桃综合 | 久久五月丁香激情综合 | 久久国产36精品色熟妇 | jizz在线播放 | 国产黄色视屏 | 亚洲精品午夜理伦不卡在线观看 | 美女内射毛片在线看免费人动物 | 日本精品一区 | 欧美亚洲综合高清在线 | 国产极品美女高潮无套嗷嗷叫酒店 | 欧美另类色图 | 亚洲欧美在线人成最新 | 亚洲精品第一国产综合精品99 | 亚洲免费观看高清完整 | 亚洲国产综合精品 在线 一区 | 国产又黄又大又爽又粗在线网站 | 69精品国产久热在线观看 | aⅴ在线视频男人的天堂 | 日日摸日日| 黑色丝袜吻戏亲胸摸腿 | 都市乱淫| 欧美久久久 | 成人免费无码大片a毛片软件 | 五月六月丁香婷婷激情 | 日本妇人成熟免费中文字幕 | 天天影视网天天综合色在线播放 | 黄色精品一区二区 | 欧美人妻体内射射 | 超黄网站在线观看 | 天堂网avav| 国产成人av一区二区三区在线观看 | 久久综合色视频 | 色一情一乱一伦一区二区三区 | 亚洲精品无码一区二区 | 中文人妻无码一区二区三区 | 少妇富婆高级按摩出水高潮 | 亚洲黄色在线看 | 国精产品999国精产 国产91丝袜在线18 | 精品无人乱码一区二区三区的优势 | 超碰在线亚洲 | 国产女高清在线看免费观看 | 91porn国产成人福利 | 免费看黑人强伦姧人妻 | 忍着娇喘人妻被中出中文字幕 | 香蕉视频最新网址 | 青青草激情 | 蜜臀av无码一区二区三区 | 国产免费啪嗒啪嗒视频看看 | 在线视频99 | 色av色播| 久久久久久久久无码精品亚洲日韩 | 四虎娱乐 | 成人午夜大片免费看爽爽爽 | 后进极品美女白嫩翘臀视频 | 亚洲二区在线播放 | 日日碰日日操 | 天躁夜夜躁狼狠躁 | 色综合久久88色综合天天免费 | 免费看的毛片 | 综合色99 | 美女扒开腿让男人桶爽揉 | 国产精品国产亚洲精品看不卡15 | 日韩成人精品视频 | 你懂在线 | 国产精品黑色丝袜在线观看 | 色av色| 欧美日韩精品一二区 | 日韩免费看 | 亚洲色图国产 | 日本真人边吃奶边做爽免费视频 | 日韩经典第一页 | 玩弄人妻少妇500系列视频 | 樱桃空空人妻无码内射 | 天堂av国产夫妇精品自在线 | 3d成人性动漫无尽视频 | youjizzhd| 91多人xxx少妇 | 小箩莉末发育娇小性色xxxx | 亚洲一二三区不卡 | 国产亚洲欧美在线观看三区 | 亚洲国产午夜 | 1024你懂的日韩 | 大色综合| 国产专业剧情av在线 | 久久亚洲a片com人成 | 十八禁av无码免费网站 | 国产美女精品视频 | 蜜乳av中文 | 亚洲午夜无码av毛片久久 | 老熟妇乱子伦牲交视频欧美 | 亚洲欧美日韩一区 | 狠狠婷婷综合久久久久久 | 久久天天躁狠狠躁夜夜不卡 | 欧美精品成人在线视频 | www.日日日| 日产精品一区二区 | 免费萌白酱国产一区二区三区 | 亚洲综合无码无在线观看 | 国产白丝喷水娇喘视频 | 日日摸夜夜添夜夜添无码 | 亚洲国产中文曰韩丝袜 | 欧美大片免费观看在线观看网站推荐 | 琪琪亚洲精品午夜在线 | 超碰免费在线播放 | 天天操天天干天天玩 | 久久精品国产99国产精2021 | 日韩人妻无码一区2区3区里沙 | 久久av一区二区三区亚洲 | 精品视频在线播放 | 中国特黄毛片 | 久久www免费人成_看片 | 国产精品一二级 | 一本一道av无码中文字幕麻豆 | 午夜成人理论无码电影在线播放 | 欧美18aaaⅹxx | 91看黄网站 | 2021天天躁夜夜看 | 免费成人黄色大片 | 成人精品视频 | 国产激情在线视频 | 欧美激情一区二区视频 | 99热这里只有精品7 人乳喂奶hd无中字 国产剧情无码播放在线看 欧美国产日韩亚洲中文 | 国产精品18久久久久久欧美 | 九九久re8在线精品视频 | 99在线精品视频免费观看软件 | 一区二区在线欧美日韩中文 | 伊甸园精品区 | 久久亚洲中文字幕精品有坂深雪 | 狠狠色96视频 | 精品国产自在精品国产精华天 | 99久久精品久久久久久动态片 | 日本欧美视频在线观看三区 | 91精品国产综合久久小仙女图片 | 在线看黄网 | 中国熟妇xxxx性裸交 | 欧美日韩色 | 精品一区二区三区在线观看 | 日日摸天天添天天添破 | 少妇免费视频 | 综合久久综合久久88色鬼 | 国产精品xxx| 国产尤物福利视频一区二区 | 久久激情视频 | 国产亚洲日韩a欧美在线人成 | 69精品久久久| 国产激情免费视频在线观看 | 屁屁影院ccyy备用地址 | 欧美一区二区公司 | 激情五月婷婷综合 | 欧美高清大屁股xxxxx | 亚洲gv天堂无码男同在线观看 | 亚洲精品无码成人a片在线软件 | 日日碰狠狠躁久久躁一区二区 | 中文字幕乱码免费专区 | 天堂中文а√在线 | 国产免费乱淫av | 亚洲精品午夜 | 在线午夜视频 | 日本特黄视频 | 国产在线在线 | 久久99av无色码人妻蜜柚 | 波多野结衣免费一区视频 | 亚洲精品乱码久久久久久不卡 | 久久国产片 | 久久久免费精品视频 | 一本色道久久综合亚洲精品 | 伊人久久亚洲精品一区 | 干漂亮牛仔裤少妇 | 少妇大叫太大太爽受不了在线观看 | 乌克兰美女浓毛bbw 日日日干 | 亚洲综合在线第一页 | 91在线视频免费看 | 国产精品白丝jkav网站 | 成人av手机在线观看 | 色婷婷综合久久久中文一区二区 | 国自产在线精品一本无码中文 | 国产女人18毛片水真多18精品 | 成人品视频观看在线 | 国产日韩一区二区三区免费高清 | 人妻有码中文字幕 | 亚洲xx在线 | 国产日产亚洲系列最新 | 久久精品人妻无码专区 | 国产精品久久久久久无码 | 成人午夜一区二区 | 中文字幕无线观看不卡网站 | 女同免费毛片在线播放 | 久久久久这里只有精品 | 老司机深夜18禁污污网站 | 国产精品美女久久久免费 | 国产精品丝袜久久久久久高清 | 欧美一级成人 | 91在线精品一区二区 | 国产初高中生粉嫩无套第一次 | 内射毛片内射国产夫妻 | 野外毛片 | 成人激情视频在线 | 午夜男人网 | 国产无套精品一区二区 | zzijzzij亚洲成熟少妇 | 伊人久久精品一区二区三区 | www.毛片com | 日韩一区二区三区免费 | 成人午夜看黄在线尤物成人 | 99久久国产综合精麻豆 | 国产天码视频网站 | 成人精品v视频在线 | 91亚洲国产成人精品性色 | 色大师在线观看 | 在线色| 国产无套粉嫩白浆内谢在a 黑人大荫蒂老太大 | 强制高潮18xxxx按摩 | 国产色视频网站免费 | 欧美日韩在线精品 | 俺来也俺去啦久久综合网 | 国产香蕉视频在线播放 | 欧美另类69xxxx | 国产视频观看 | 天天做天天欢摸夜夜摸狠狠摸 | 在线观看一区二区三区av | 激情五月六月婷婷 | a天堂资源在线 | 亚洲高清国产拍精品闺蜜合租 | 国产亚洲成av片在线观看 | 99re8在线精品视频免费播放 | www在线| 四虎黄色网址 | 好吊妞这里都是精品 | 激情视频网站 | 日本特黄特色大片免费视频老年人 | 亚洲爆乳无码精品aaa片蜜桃 | 亚洲国产成人a精品不卡在线 | 免费国产人成18在线观看 | 蜜臀久久精品久久久更新时间 | 久久精品成人一区二区三区 | 久久se精品一区精品二区国产 | 天堂网中文在线 | 日韩精品一区二区三区中文在线 | 欧美日韩一区二区三区在线观看免费 | 五月婷婷激情久久 | 国产欧美一区二区精品婷婷 | 免费观看一区二区三区视频 | 国产18videosex国产 | 忘忧草社区www资源在线 | 狠狠色丁香婷婷 | 白丝爆浆18禁一区二区三区 | 丁香花中文字幕mv在线免费观看 | 性色欲情网站iwww | 成人精品毛片 | 亚洲中文字幕乱码电影 | 91n成人 | 日韩成人在线一区 | 性中国videossexo另类 | 日本视频免费高清一本18 | 欧美成人三级在线播放 | 在线观看一区二区视频 | 色欲综合久久中文字幕网 | 成人免费视频在线看 | 成人自拍一区 | 91视频地址 | 色婷婷tv | 国产精品久久一区 | 青青青看免费视频在线 | 亚洲第一男人天堂 | 狠狠干亚洲色图 | 国产成人手机高清在线观看网站 | 亚洲精品一区二区三区四区久久 | 青青草国产成人久久电影 | 天堂av影院| 老女人老熟女亚洲 | 99热网址| 日韩一区二区免费视频 | 国产做爰全过程免费视频 | 硬了进去湿好大娇喘视频 | 秋霞av在线 | 中文字幕一区二区不卡 | 96久久欧美麻豆网站 | 成人午夜福利免费体验区 | 香蕉蕉亚亚洲aav综合 | 波多野结衣的逼 | 国产在线无码精品无码 | 爽爽影院在线看 | 久久国产欧美日韩精品图片 | 无遮挡裸体免费视频尤物 | 国产精品原创 | 大香线蕉伊人超碰 | 亚洲二新区乱码无人区二 | 老司机免费的精品视频 | 99久久免费精品国产男女高不卡 | 婷婷丁香狼人久久大香线蕉 | 亚洲欧洲国产视频 | 一本久久精品久久综合桃色 | 精品亚洲永久免费 | 久久久久久伊人高潮影院 | 中文字幕久久综合久久88 | 久久综合九色综合网站 | 日韩精品在线播放 | 成人免费视频一区二区 | 精彩视频一区二区三区 | 婷婷网五月天 | 亚洲va欧美va国产综合先锋 | 性高朝大尺度少妇大屁股 | 色综合久久久久 | 欧美在线视频免费 | 隔壁放荡人妻bd高清 | 欧美亚洲精品一区二区在线观看 | 天天色成人| 国内毛片毛片毛片 | 国产亚洲欧美日韩高清 | 天堂国产+人+综合+亚洲欧美 | 狠狠色狠狠爱综合蜜芽五月 | 么公的好大好硬好深好爽视频 | 黄色片在线播放 | 亚洲精品在线影院 | 日韩大片在线免费观看 | 九一视频在线看 | 亚洲欧美日韩国产综合在线一区 | 91久久久www播放日本观看 | 国产福利在线视频蜜芽tv | 亚洲第十页 | 无码人妻一区二区三区精品视频 | 岬奈奈美精品一区二区 | 日韩视频不卡 | 精品久久久爽爽久久男人和男人 | 免费av大片 | 亚洲校园激情春色 | 插一插射一射视频 | 成人免费精品网站 | 久操视频网| 97香蕉超级碰碰久久免费软件 | 日韩欧美天堂 | 国产精品亚洲一区二区在线观看 | 国产黄色在线免费看 | 一级黄色片一 | 中日韩av在线 | 狠狠爱天天综合色欲网 | 欧美肥婆性猛交xxxxxj | 欧美一级免费片 | 人人妻人人澡av天堂香蕉 | 久久久久久国产精品无码下载 | 偷拍25位美女撒尿视频在线观看 | 亚洲色在线视频 | 日韩精品无码视频一区二区蜜桃 | 日韩人妻无码制服丝袜视频 | 亚洲国产精品区 | 亚洲日本乱码在线观看 | 亚洲国产精品999久久久婷婷 | 青草青视频 | 在线观看日本 | 99久久精品国产成人综合 | 国产成人午夜福利在线播放 | 国产av剧情md精品磨豆 | 国产目拍亚洲精品一区二区 | 国产精品色一区二区三区 | 亚洲国产精品成人av | 香蕉久久夜色精品升级完成 | 人人看超碰 | 尤物综合网 | 成人性做爰aaa片免费看 | 羞羞视频在线观看免费 | 久久av高潮av无码av喷吹 | 日韩乱码人妻无码中文字幕 | 亚洲欧洲无码av电影在线观看 | 精品国产sm最大网站 | 嫩草视频在线免费观看 | 天天干天天色综合网 | 日韩欧美在线观看一区 | 中文字幕av一区二区三区人妻少妇 | 少妇精品亚洲一区二区成人 | 亚洲精品亚洲人成在线 | 香蕉成人啪国产精品视频综合网 | 成人亚洲欧美日韩在线观看 | 粗大的内捧猛烈进出在线视频 | 国产69精品久久久久app下载 | 久久无毛 | 亚洲人成7777| 日本真人做爰免费的视频 | 丁香婷婷深情五月亚洲 | 国产亚洲久一区二区 | 国精产品999国精产 国产91丝袜在线18 | 91成熟丰满女人少妇777 | 好爽好硬好深高潮视频456 | 婷婷成人在线 | 一边啪啪的一边呻吟声口述 | 91精品国产综合久久久久久久久久 | 国产特黄级aaaaa片免 | 黑人强辱丰满的人妻熟女 | 成人日b视频 |