Results 21 to 30 of about 2,063,448 (396)

Effects of phenolic acids and quercetin-3-O-rutinoside on the bitterness and astringency of green tea infusion

open access: yesnpj Science of Food, 2022
Phenolic acids are important taste components in green tea. The aim of this study was to analyze the taste characteristics of phenolic acids and their influence on the bitterness and astringency of green tea by sensory evaluation and chemical ...
Yu-Hong Chen   +6 more
semanticscholar   +1 more source

An Improved Method of Theabrownins Extraction and Detection in Six Major Types of Tea (Camellia sinensis)

open access: yesJournal of Chemistry, 2022
Tea pigments consisting of theabrownins (TBs), theaflavins (TFs), and thearubigins (TRs) affect the color and taste of tea. TBs include a variety of water-soluble compounds, but do not dissolve in n-butanol and ethyl acetate.
Tzan-Chain Lee   +8 more
doaj   +1 more source

Antibacterial test of black tea and green tea combucha against methicilin-resistant Staphylococcus aureus (MRSA)

open access: yesJurnal Biologi Udayana, 2022
Kombucha tea has antibacterial activities against Gram-negative, Gram-positive bacteria, and antibiotic resistant bacteria. Methicillin-resistant Staphylococcus aureus (MRSA) is a strain of Staphylococcus aureus bacteria that has resistance to ...
Cyrilla Angelica Andhika Pramesti   +2 more
doaj   +1 more source

Effects of different tea tree varieties on the color, aroma, and taste of Chinese Enshi green tea

open access: yesFood chemistry: X, 2022
Highlights • Chinese Enshi green tea quality varies with tea tree varieties.• Chlorophyll and chlorophyllide determine the green tea color.• Echa 10 endows Enshi green tea with fresh and mellow taste.• Echa 10 endows Enshi green tea with clear flavor and
Yuchuan Li   +6 more
semanticscholar   +1 more source

Research on the Suitability of Teas Made from Fresh Tea Leaves of Purple Tea

open access: yesShipin gongye ke-ji, 2022
Three purple tea varieties (lines), namely Hongye-1, Hongye-2, Danfei in different seasons as test materials, were made into green tea, white tea and black tea.
Qiushuang WANG   +10 more
doaj   +1 more source

Study of the qualitative composition and quantitative content of some groups of BAS in dietary supplements with green tea leaf extract

open access: yesZaporožskij Medicinskij Žurnal, 2021
Study of the qualitative composition and quantitative content of some groups of BAS in dietary supplements with green tea leaf extract Recently, there has been a high demand from the population for dietary supplements that have antioxidant activity ...
O. Yu. Maslov   +3 more
doaj   +1 more source

A Comprehensive Review of the Potential Use of Green Tea Polyphenols in the Management of COVID-19

open access: yesEvidence-Based Complementary and Alternative Medicine, 2021
Green tea is produced from Camellia sinensis (L.) buds and leaves that have not gone through the oxidation and withering processes used to produce black and oolong teas.
T. Tallei   +10 more
semanticscholar   +1 more source

Digital Evaluation of Aroma Intensity and Odor Characteristics of Tea with Different Types—Based on OAV-Splitting Method

open access: yesFoods, 2022
Aroma is one of the most important quality indicators of tea. However, this evaluation method is a subjective one. In this study, the volatiles of tea with 5 types were determined by headspace solid-phase micro-extraction (HS-SPME) combined with gas ...
Wenwen Hu   +7 more
doaj   +1 more source

Immunomodulatory Effects of Green Tea Polyphenols

open access: yesMolecules, 2021
Green tea and its bioactive components, especially polyphenols, possess many health-promoting and disease-preventing benefits, especially anti-inflammatory, antioxidant, anticancer, and metabolic modulation effects with multi-target modes of action ...
Shuzhen Wang   +7 more
semanticscholar   +1 more source

Study on Characteristic Metabolites of Green Tea from a New Chlorotic Tea Cultivar ‘Ming Guan’

open access: yesShipin gongye ke-ji, 2023
‘Ming guan’ is a new chlorotic tea cultivar bred from the descendants of Bai jiguan, in order to explore the characteristic quality of aroma and taste of Ming guan green tea, this study conducted sensory quality evaluation and metabomic analysis on green
Aodi HAN   +7 more
doaj   +1 more source

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