| http://www.w3.org/ns/prov#value | - ???Foods rich in quercetin include black and green tea (Camellia sinensis; 2000???2500 mg/kg), capers (1800 mg/kg),[5] lovage (1700 mg/kg), apples (440 mg/kg), onion, especially red onion (191 mg/kg) (higher concentrations of quercetin occur in the outermost rings[6]), red grapes, citrus fruit, tomato, broccoli and other leafy green vegetables, and a number of berries, including raspberry, bog who
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