Assertion: currant's berry | /r/MadeOf | quercetin
Facets:
Source sentences:
text: the berries contain flavonoids, including quercetin, myricetin, and kaempferol,Ehala 2005, Erlund 2003, Häkkinen 1998, Mikkonen 2001 as well as at least 15 different phenolic acids, including anthocyanins and proanthocyanidins.