茶黄素
Theaflavin; 3,4,5-trihydroxy-1,8-bis[(2R,3R)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]benzo[7]annulen-6-one
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Product Name Theaflavin; 3,4,5-trihydroxy-1,8-bis[(2R,3R)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]benzo[7]annulen-6-one
CAS4670-05-7
FormulaC29H24O12
MW564.49
AppearanceBrown to reddish brown powder
Storage condition Dry, dark and at 0 - 4 ℃ for short term (days to weeks) or -20 ℃ for long term (months to years).
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Theaflavine and its derivatives are antioxidant polyphenols that come from the oxidation of black tea leaves and have antiviral and anti-cancer effects. Theaflavin is a suitable natural inhibitor against influenza A (H1N1) neuraminidase.

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Theaflavin; 3,4,5-trihydroxy-1,8-bis[(2R,3R)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]benzo[7]annulen-6-one