quercetin

quer·ce·tin (kwûrs-tn)

n.

A yellow powdered crystalline compound produced synthetically or occurring as a glycoside in the rind and bark of numerous plants, used medicinally to treat abnormal capillary fragility. Also called meletin.

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quercetin (kwerˑ·s·tn),

n flavonoid derived from red wine, citrus, onions, parsley, and tea. Has been used as an antioxidant, antiviral, and reported to help allergies, prostate inflammation, interstitial cystitis, atherosclerosis, and cataracts. Caution in patients taking anticoagulant or antiplatelet medications. Also called
quercetin chalcone.