Quercetin, King of the Flavonoids, a Natural Anti-allergic Substance

The old saying, “An apple a day, doctors go away”, has new evidence. Apples, and a number of other colorful fruits and vegetables, contain a rich amount of a powerful antioxidant called quercetin. Sources Quercetin is a flavonol, a subtype of potent substances called flavonoids that naturally occur in plants and offer a variety of health benefits to humans. As king of flavonoids, Quercetin is often found in rinds, young shoots, and barks of plants, and is one of the most abundant flavonoids in our …

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