quer·​ce·​tin | \ ˈkwər-sə-tən How to pronounce quercetin (audio) \

Definition of quercetin

: a yellow crystalline pigment C15H10O7 occurring usually in the form of glycosides in various plants

Examples of quercetin in a Sentence

Recent Examples on the Web

The chemicals in question are quercetin, something found in a huge variety of plants (anyone who eats any vegetables undoubtedly ingests some of this every day). John Timmer, Ars Technica, "Drugs that kill off old cells may limit a body’s aging," 10 July 2018 Zinc and Amino Acids protect skin from even more stress while the polyphnol quercetin stimulates skin repair. Barret Wertz, GQ, "The Best Anti-Pollution Skincare Treatments Every Guy Should Try This Summer," 14 May 2018 The slender stalk boasts a dozen unique antioxidants including quercetin, a powerful anti-inflammatory and natural antihistamine. Ashleigh Spitza, Milwaukee Journal Sentinel, "Ever so humble, celery is good for much more than weight loss," 7 May 2018 The fruit — especially its skin — is rich in antioxidant flavonoids such as quercetin and anthocyanins (for red apples) that have been linked to cardio-protective effects. Consumer Reports, Washington Post, "From oatmeal to sardines, 7 foods that really can help hearts stay healthy," 7 May 2018 The brand’s vitamin C booster is vitamin C and ferulic acid, and its newer antioxidant booster is made up of apple peel, quercetin and resveratrol. Janna Mandell, San Francisco Chronicle, "Your skin’s secret (antioxidant) weapon? It starts with a C.," 6 Apr. 2018 The antioxidant compounds are resveratrol and quercetin. Maria Clark, NOLA.com, "LSU study looks at whether red wine can treat advanced heart disease," 2 Feb. 2018 Enjoying an apple pre-workout may help boost endurance, thanks to the antioxidant quercetin, which helps make oxygen more available to the lungs. Ashleigh Spitza, Milwaukee Journal Sentinel, "An apple a day is not half-baked advice," 11 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quercetin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of quercetin

1856, in the meaning defined above

History and Etymology for quercetin

International Scientific Vocabulary, from Latin quercetum oak forest, from quercus oak — more at fir

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The first known use of quercetin was in 1856

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quer·​ce·​tin | \ ˈkwər-sət-ən How to pronounce quercetin (audio) \

Medical Definition of quercetin

: a yellow crystalline pigment C15H10O7 occurring usually in the form of glycosides in various plants

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