The flavanonols (with two "o"s a.k.a. 3-hydroxyflavanone or 2,3-dihydroflavonol) are a class of flavonoids that use the 3-hydroxy-2,3-dihydro-2-phenylchromen-4-one (IUPAC name) backbone.
Some examples include:
Glycosides (chrysandroside A and chrysandroside B) can be found in the roots of Gordonia chrysandra.[1] Xeractinol, a dihydroflavonol C-glucoside, can be isolated from the leaves of Paepalanthus argenteus var. argenteus.[2]
Dihydro-flavonol glycosides (astilbin, neoastilbin, isoastilbin, neoisoastilbin, (2R, 3R)-taxifolin-3'-O-β-D-pyranoglucoside) have been identified in the rhizome of Smilax glabra.[3]
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Types of flavonoids
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| Flavonoids |
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Flavanonols and their glycosides
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| 3-Hydroxyflavanones: |
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| O-methylated flavanonols |
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| dihydroflavonol 3-O-glycosides |
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| Glycosides |
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| Acetylated glycosides |
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