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quercetin

American  
[kwur-si-tin] / ˈkwɜr sɪ tɪn /

noun

Chemistry.
  1. a yellow, crystalline, slightly water-soluble powder, C 1 5 H 1 0 O 7 , obtained from the bark of the quercitron and other vegetable substances, used as a yellow dye; flavin.


quercetin British  
/ ˈkwɜːsɪtɪn, kwɜːˈsɛtɪk, -ˈsiː- /

noun

  1. Also called: flavin.  a yellow crystalline pigment found naturally in the rind and bark of many plants. It is used in medicine to treat fragile capillaries. Formula: C 15 H 10 O 7 ; melting pt: 316–7°C

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • quercetic adjective

Etymology

Origin of quercetin

1855–60; < New Latin quercēt ( um ) an oak grove ( Latin querc ( us ) oak ( quercine ) + -ētum suffix of places where a given plant grows) + -in 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Quercetin is a plant flavonoid found in fruits, vegetables, tea, and wine that can act as a powerful antioxidant and have anti-inflammatory properties.

From Science Daily

For example, the skin of an apple contains quercetin, a powerful antioxidant, along with much of the fruit’s dietary fiber.

From Salon

When your body absorbs quercetin from food or wine, most is converted to glucuronide by the liver in order to quickly eliminate it from the body.

From Salon

Our enzyme tests suggest that quercetin glucuronide disrupts your body's metabolism of alcohol.

From Salon

In this case, other foods that contain quercetin are not associated with headaches, so you might not initially consider quercetin as the cause of the red wine problem.

From Salon