This content has been updated - view the USDA Database for the Flavonoid Content of Selected Foods. Release 3.2 (November 2015) at https://doi.org/10.15482/USDA.ADC/1324465 for version 3.2 data, or visit the USDA Special Interest Database on Flavonoids dataset at https://doi.org/10.15482/USDA.ADC/1178142 for links to the most current data.

This database contains values for 506 food items for 5 subclasses of flavonoids. Those 5 subclasses are as follows:
FLAVONOLS: Quercetin, Kaempferol, Myricetin, Isorhamnetin FLAVONES: Luteolin, Apigenin FLAVANONES: 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