Isovitexin (or homovitexin, saponaretin) is a flavone, namely the apigenin-6-C-glucoside. In this case, the prefix 'iso' does not imply an isoflavonoid (the position of the B-ring on the C-ring), but the position of the glucoside on the flavone, in comparison to vitexin.
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Names | |
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IUPAC name 6-(β-D-Glucopyranosyl)-4′,5,7-trihydroxyflavone | |
Systematic IUPAC name 5,7-Dihydroxy-2-(4-hydroxyphenyl)-6-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-4H-1-benzopyran-4-one | |
Other names homovitexin, saponaretin | |
Identifiers | |
3D model (JSmol) | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.126.529 |
PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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Properties | |
C21H20O10 | |
Molar mass | 432.38 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Natural occurrence
It can be found in the passion flower, Cannabis, oat and the açaí palm.[1]
Metabolism
Glycosides
Saponarin is the isovitexin-7-O-glucoside.
See also
- Vitexin, the 8-C-glucoside of apigenin
- Isoorientin, the 3'-OH derivative
References
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