Cyanidin
Anthocyanidin pigment in flowering plant petals and fruits / From Wikipedia, the free encyclopedia
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Cyanidin is a natural organic compound. It is a particular type of anthocyanidin (glycoside version called anthocyanins). It is a pigment found in many red berries including grapes, bilberry, blackberry, blueberry, cherry, chokeberry, cranberry, elderberry, hawthorn, loganberry, açai berry and raspberry.[1] It can also be found in other fruits such as apples and plums, and in red cabbage and red onion. It has a characteristic reddish-purple color, though this can change with pH; solutions of the compound are red at pH < 3, violet at pH 7-8, and blue at pH > 11. In certain fruits, the highest concentrations of cyanidin are found in the seeds and skin.[citation needed] Cyanidin has been found to be a potent sirtuin 6 (SIRT6) activator.[2][3]
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IUPAC name
3,3′,4′,5,7-Pentahydroxyflavylium | |
Systematic IUPAC name
2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-1λ4-benzopyran-1-ylium | |
Other names
Cyanidine 2-(3,4-Dihydroxyphenyl)chromenylium-3,5,7-triol | |
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E number | E163a (colours) |
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CompTox Dashboard (EPA) |
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Properties | |
C15H11O6+ | |
Molar mass | 287.24 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Cyanidin (pH indicator) | ||
below pH 3 | above pH 11 | |
3 | ⇌ | 11 |