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| Systematic IUPAC name 3,4,5-Trihydroxy-1,8-bis[(2R,3R)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-2-yl]-6H-benzo[7]annulen-6-one | |
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| Properties | |
| C29H24O12 | |
| Molar mass | 564.499 g·mol−1 |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Theaflavin (TF) and its derivatives, known collectively astheaflavins, areantioxidantpolyphenols that are formed from the condensation offlavan-3-ols intea leaves during the enzymatic oxidation (sometimes erroneously referred to asfermentation) ofblack tea.Theaflavin-3-gallate, theaflavin-3'-gallate, andtheaflavin-3-3'-digallate are the main theaflavins.[1] Theaflavins are types ofthearubigins, and are therefore reddish in color.
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