Flavonoid

Flavonoids are a group of chemical compounds naturally found in certain fruits, vegetables, teas, wines, nuts, seeds, and roots that are antioxidants.

Flavonoids are usually subdivided into 5 subgroups:

• Flavonols: Quercetin, Kaempferol, Myricetin, Isorhamnetin
• Flavones: Luteolin, Apigenin
• Flavonones: Hesperetin, Naringenin, Eriodictyol
• Flavan-3-ols: (+)-Catechin, (+)-Gallocatechin, (-)-Epicatechin, (-)-*Epigallocatechin, (-)-Epicatechin 3-gallate, (-)-Epigallocatechin 3-gallate, Theaflavin, Theaflavin 3-gallate, Theaflavin 3'-gallate, Theaflavin 3,3' digallate, Thearubigins
• Anthocyanidins: Cyanidin, Delphinidin, Malvidin, Pelargonidin, Peonidin, Petunidin

External links

• USDA Database of Flavonoid content of food (pdf)
• Flavonoids (chemistry)

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