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HPLC analysis of samples from four major fermentation procedures of Jing-Wei Fu brick tea showed that the level of major tea catechins epigallocatechin gallate (EGCG) and epicatechin gallate (ECG) dropped increasingly to about 1/3 in the final product. Phytochemical study of the final product led to the discovery of four new B-ring fission metabolites of catechins (BRFCs) Fuzhuanin C–F (1–4) together...
Brick dark tea is a unique brick-formed tea compressed from the older, coarse and rough leaves and branches of Camellia sinensis var. sinensis and C. sinensis var. assamica mainly in Hunan, Sichuan and Yunnan provinces in China. Researches on brick dark tea have become increasingly popular owing to its special health benefits. A series of biochemical reactions occur during the special production—microbial...
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