Definition of "quercetin" []

• A yellow powdered crystalline compound, C15H10O7, synthesized or occurring as a glycoside in the rind and bark of numerous plants, and used medicinally to treat abnormal capillary fragility. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I have heard that stinging nettles with quercetin is good for allergies and for joint pain."
• "Apples and pears are high in a flavonoid called quercetin."
• "In the fruit kingdom, apples totally deserve their reputation as doctor-repellants: they're loaded with fiber, minerals (like bone-building boron) and phytochemicals (like quercetin, which is known to be a powerful anti-inflammatory and to have anti-cancer properties)."