Quercetin is one of the most abundant chemical compounds in fruits and vegetables. Quercetin is an important member of a large group of plant compounds called flavonoids. Flavonoids have potent antioxidant properties, but also have recently been shown to have anti-inflammatory and antihistamine effects. Foods particularly high in quercetin include apples, onions, parsley, purple grape juice and tea. As we study the therapeutic uses of quercetin, we quickly realize why God spread it so widely throughout the plant kingdom. Quercetin helps to alleviate allergy symptoms. Studies show it inhibits the release of histamines from certain types of red blood cells and thus functions as a mild antihistamine.
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