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The phenolic content in tea refers to the phenols and polyphenols, natural plant compounds which are found in tea. These chemical compounds affect the flavor and mouthfeel of tea. Polyphenols in tea include catechins , theaflavins , tannins , and flavonoids .
A study found that the caffeine content of one gram of black tea ranged from 22 to 28 mg, while the caffeine content of one gram of green tea ranged from 11 to 20 mg, reflecting a significant difference. [58] Tea contains small amounts of theobromine and theophylline, which are xanthines and stimulants, similar to caffeine. [59]
Epigallocatechin gallate (EGCG), also known as epigallocatechin-3-gallate, is the ester of epigallocatechin and gallic acid, and is a type of catechin.. EGCG – the most abundant catechin in tea – is a polyphenol under basic research for its potential to affect human health and disease.
While the L-theanine content of tea varies by season and stage of growth, ... Rooibus contains minerals, flavonoids and phenolic compounds that have antioxidant benefits.
Other more detailed chemical research has elucidated the difficulty of isolating individual phenolics. Because significant variation in phenolic content occurs among various brands of tea, there are possible [9] inconsistencies among epidemiological studies implying beneficial health effects of phenolic antioxidants of green tea blends.
Camellia sinensis is a species of evergreen shrub or small tree in the flowering plant family Theaceae.Its leaves, leaf buds, and stems can be used to produce tea.Common names include tea plant, tea shrub, and tea tree (unrelated to Melaleuca alternifolia, the source of tea tree oil, or the genus Leptospermum commonly called tea tree).
3. Green Tea. Some older research suggests that green tea is a fantastic drink choice for those on weight loss medications since it has antioxidant properties and some metabolism-supporting ...
This page was last edited on 3 December 2011, at 13:37 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.