Table 1.

Amount of quercetin present in mg/100 g of food sources

Food source	Quercetin in mg/100 g	Food source	Quercetin in mg/100 g
Capers	233	Radicchio	32.0
Onion	22.0	Spinach	27.2
Fennel leaves	49.0	Black tea	2.0
Kale	23.0	Red grapes	1.38
Radish leaves	70.0	Broccoli	2.51
Oregano	42.0	Cranberries	14.0
Dill	79.0	Cherries	2.7
Chili pepper	32.6	Red apples	4.7
Cilantro	53.0	Green tea	2.7