What is Black tea: Black tea belongs to fermented tea and is one of the six major teas. Black tea is to let some beneficial microorganisms in the air fall on the tea during the process of making and storing tea. The enzymes produced by microbial metabolism can well promote the biochemical components
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Black tea of the introductionDuring the processing of black tea, the chemical reaction centered on the enzymatic oxidation of tea polyphenols occurs. The composition of fresh leaves changes greatly, and the tea polyphenols decrease by more than 90%, and new components and aroma substances such as th
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