Flavonols

From Wikipedia, the free encyclopedia

Flavonols are a class of flavonoids that use the 3-hydroxy-2-phenyl-4H-1-benzopyran-4-one backbone. Their diversity stems from the different positions the phenolic -OH groups.


Some examples include:

  • Quercetin (3,5,7,3',4'-pentahydroxy-2-phenyl-4H-1-benzopyran-4-one)
  • Kaempferol (3,5,7,4'-tetrahydroxy-2-phenyl-4H-1-benzopyran-4-one)
  • Myricetin (3,5,7,3',4',5'-hexahydroxy-2-phenyl-4H-1-benzopyran-4-one)


Flavonoids
General:
Flavones: Luteolin | Apigenin
Isoflavones: Genistein | Daidzein
Flavonols: Myricetin | Quercetin | Kaempferol
Flavanones: Hesperetin | Naringenin
Flavan-3-ols: Catechin | Epicatechin | Epigallocatechin
Anthocyanidins: Cyanidin | Malvidin | Delphinidin
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