Laricitrin is an O-methylated flavonol, a type of flavonoid. It is found in red grape (absent in white grape)[1] and in Vaccinium uliginosum (bog billberries).[2] It is one of the phenolic compounds present in wine.[3]
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IUPAC name
3,3′,4′,5,7-Pentahydroxy-5′-methoxyflavone
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Systematic IUPAC name
2-(3,4-Dihydroxy-5-methoxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one | |
Other names
3'-O-Methylmyricetin
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3D model (JSmol)
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ChEBI |
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KEGG |
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PubChem CID
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UNII |
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CompTox Dashboard (EPA)
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Properties | |
C16H12O8 | |
Molar mass | 332.264 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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Laricitrin is formed from myricetin by the action of the enzyme myricetin O-methyltransferase.[4] It is further methylated by laricitrin 5'-O-methyltransferase into syringetin.