Definition of quercetin in English:

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Pronunciation: /ˈkwəːsɪtɪn/


[mass noun] Chemistry
A yellow crystalline pigment present in plants, used as a food supplement to reduce allergic responses or boost immunity.
Example sentences
  • Due to the poor bioavailability of quercetin, this author utilizes a water-soluble quercetin analogue - quercetin chalcone.
  • This reduction of quercetin potentially gives QC the same anticancer effects of quercetin with the hydrophilic effect of a chalcone.
  • Green, red, and purple grapes all contain important plant chemicals, like quercetin and catechins.


Mid 19th century: probably from Latin quercetum 'oak grove' (from quercus 'oak') + -in1.

For editors and proofreaders

Line breaks: quer|cetin

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