Theaflavins is derived during the fermentation stage of black tea manufacture. It contains flavan-3-ols (also known as catechins) of green tea leaf are oxidized enzymically and chemically to give rise to theaflavins and thearubigins. Theaflavins possess a benzotropolone skeleton that is formed from co-oxidation of appropriate pairs of catechins, one having a vic-trihydroxyl structure, and the other having an ortho-dihydroxyl group. Several major theaflavins and related compounds have been structurally characterized. Theaflavin (TF), theaflavin-3-gallate(TF-3-G), theaflavin-3’-gallate(TF-3’-G), theaflavin-3, 3’-gallate (TFDG) and epitheaflavic acid are examples


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Changsha Sunfull Bio-tech specializes in the production, researching, developing and marketing of natural botanical extracts. Their products are widely used in the dietary supplement, food and beverage, pharmaceutical and cosmetic industries. Changsha Sunfull's high quality products are available internationally and are competitively priced.


Changsha Sunfull Bio-tech Co., Ltd

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