| Synonyms: |
11-hydroxy-10-[3-hydroxy-4-(3-methylbut-2-en-1-yl)phenyl]-2,2,6,6-tetramethyl-3,4,7,8-tetrahydro-2H,6H,12H-dipyrano[2,3-f:2',3'-h]chromen-12-one,
5,6-7,8-bis(2,2-dimethyldihydropyrano)-3'-hydroxy-4'-prenyl-flavonol
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| Definition: |
An extended flavonoid that is flavonol with an additional hydroxy group at position 3', two 2,2-dimethyldihydropyrano rings fused to ring A across positions 5, 6 and 7, 8 respectively and a prenyl group at position 4'. Isolated from the roots of Dorstenia psilurus, it exhibits alpha-glucosidase inhibitory activity. |