Transformation of quercetin glucosides in onion and its impact on quecetin bioavailability in humans (abstract only)

Abstract

Onion, a worldwide-consumed vegetable, is a rich source of quercetin. Quercetin shows a number of biological activities that may be beneficial to health. For example it can inhibit platelet aggregation and/or broad spectrum of enzymes and has been demonstrated to have anti-inflammatory properties. Through these actions quercetin may contribute to prevention.