Results 41 to 50 of about 2,063,448 (396)

Antiviral activity of green tea and black tea polyphenols in prophylaxis and treatment of COVID-19: A review

Phytomedicine, 2020
Background The rapid spread of novel coronavirus called SARS-CoV-2 or nCoV has caused countries all over the world to impose lockdowns and undertake stringent preventive measures.
Susmit Mhatre, Tishya Srivastava, S. Naik, V. Patravale   +3 more
semanticscholar   +1 more source

Co‐consuming green tea with raloxifene decreases raloxifene systemic exposure in healthy adult participants

Clinical and Translational Science, 2023
Green tea is a popular beverage worldwide. The abundant green tea catechin (−)‐epigallocatechin gallate (EGCG) is a potent in vitro inhibitor of intestinal UDP‐glucuronosyltransferase (UGT) activity (Ki ~2 μM).
John D. Clarke, Sabrina M. Judson, Dan‐Dan Tian, Trevor O. Kirby, Rakshit S. Tanna, Adrienn Matula‐Péntek, Miklós Horváth, Matthew E. Layton, John R. White, Nadja B. Cech, Kenneth E. Thummel, Jeannine S. McCune, Danny D. Shen, Mary F. Paine   +13 more
doaj   +1 more source

Multi-Metabolomics Coupled with Quantitative Descriptive Analysis Revealed Key Alterations in Phytochemical Composition and Sensory Qualities of Decaffeinated Green and Black Tea from the Same Fresh Leaves

Foods, 2022
The supercritical CO2-based decaffeination (SCD) method can be used to prepare decaffeinated tea, but its overall effect on the phytochemicals, volatiles, and sensory qualities of green and black teas is still unclear, and its suitability to prepare ...
Jie Wang, Ying Zhang, Yan Liu, Shaorong Zhang, Linying Yuan, Yingfu Zhong, Xiuhong Wu, Juan Yang, Ze Xu   +8 more
doaj   +1 more source

Beneficial Effects of Green Tea Catechins on Female Reproductive Disorders: A Review

Molecules, 2021
Tea is one of the most widely consumed beverages worldwide after water, and green tea accounts for 20% of the total tea consumption. The health benefits of green tea are attributed to its natural antioxidants, namely, catechins, which are phenolic ...
Datu Agasi Mohd Kamal, Norizam Salamt, Siti Sarah Mohamad Zaid, Mohd Helmy Mokhtar   +3 more
doaj   +1 more source

Activity-Guided Fractionation of Green Tea Extract with Antiproliferative Activity against Human Stomach Cancer Cells [PDF]

, 2002
Epidemiological studies have suggested that the consumption of green tea provides protection against stomach cancer. Fractionation of green tea extract, guided by antiproliferative activity against human stomach cancer (MK-1) cells, has resulted in the ...
Okawa, Masafumi, Okabe, Hikaru, Kinjo, Junei, Nagao, Tsuneatsu, Tanaka, Takashi, Nonaka, Gen-Ichiro, Nohara, Toshihiro   +6 more
core   +1 more source

Study on the Physicochemical Properties, Antioxidant Properties and Aroma Components of Cold Brewing Green Tea in Negative Oxidation-reduction Potential Electrolyzed Water

Shipin gongye ke-ji, 2022
The effects of electrolyzing water-cooled green tea with negative redox potential on the quality of tea soup was studied by comparing the bottled natural water-cooled green tea and conventional hot bubble green tea, in order to provide a new choice for ...
Rui XIA, Geng ZHONG, Tian LI, Wanfu YANG, Yuge GAO   +4 more
doaj   +1 more source

Characterization of two immunomodulating homogalacturonan pectins from green tea [PDF]

, 2014
Two natural homogalacturonan (HG) pectins (MW ca. 20 kDa) were isolated from green tea based on their immunomodulatory activity. The crude tea polysaccharides (TPS1 and TPS2) were obtained from green tea leaves by hot water extraction and followed by 40%
Guodong Wei, Xuelan Gu, Wei, G., Fei Liu, Songshan Shi, Shi, S.S., Wang, H., Gautam Banerjee, S. Bligh, Joshi, M., Hui Lian, Hongwei Fan, Fan, H., Shunchun Wang, Banerjee, G., Lian, H., Gu, X., Huijun Wang, Wang, S.C., Manoj Joshi, Bligh, S.W.A., Liu, F.   +21 more
core   +1 more source

Influence of fixation methods on the chestnut-like aroma of green tea and dynamics of key aroma substances.

Food Research International, 2020
Fixation is the key process to ensure green tea quality; however, the effect of various fixation methods on the formation of green tea with a chestnut-like aroma and the evolution of key volatile compounds has not been assessed to date. In this study, we
Huajie Wang, J. Hua, Yongwen Jiang, Yanqin Yang, Jinjin Wang, Haibo Yuan   +5 more
semanticscholar   +1 more source

Comparative transcriptome and defense hormone analyses of resistant and susceptible tea plant varieties revealed the response mechanisms of tea plants to Apolygus lucorum feeding

Plant Stress
Apolygus lucorum represents a major insect pest affecting Camellia sinensis, with its feeding activity posing significant threats to tea plant growth and yield productivity. However, the molecular basis of tea plant resistance against A.
Yuan-Hong Wan, Chun Yang, Da-He Qiao, Yue-Xin Li, Xiao-Zeng Mi, Xing-Yun Shi, Shuai Li, Jin-Feng Zhang, Yu-He Wan, Ze-Hong Meng   +9 more
doaj   +1 more source

Cellulose-Based Light-Management Films with Improved Properties Directly Fabricated from Green Tea

Polysaccharides, 2022
Tea polyphenols are a phenolic bioactive compound extracted from tea leaves and have been widely used as additives to prepare functional materials used in packaging, adsorption and energy fields.
Jianfeng Peng, Xiaoqian Ji, Xinqun Xia, Cuiyue Li, Zhaoning Wei, Chen Chu, Zhen Xu, Jun Zhang, Guangmei Xia   +8 more
doaj   +1 more source