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flavin

[fley-vin]
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noun Biochemistry.
  1. a complex heterocyclic ketone that is common to the nonprotein part of several important yellow enzymes, the flavoproteins.
  2. quercetin.
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Also flavine.

Origin of flavin

First recorded in 1850–55; flav- + -in2

-flavin

  1. a combining form occurring in compound words which denote natural derivatives of flavin: riboflavin.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for flavin

Contemporary Examples

Historical Examples

  • Flavin observed a duck, which he thought to be of this species, at Guam on January 19, 1946.

  • To obtain a yellow shade of scarlet, a small quantity of Flavin, Fustic, or other yellow dye may be added to the dye bath.

    Vegetable Dyes

    Ethel M. Mairet

  • Flavin is extract of Quercitron bark, and is much used for bright yellow with tin.

    Vegetable Dyes

    Ethel M. Mairet

  • Yellows can be got with weld, flavin, turmeric (for which cotton has a strong attraction), and fustic.

    Vegetable Dyes

    Ethel M. Mairet

  • Flavin, add both to the bath together with indigo extract (1/2 tablespoonful).

    Vegetable Dyes

    Ethel M. Mairet


British Dictionary definitions for flavin

flavin

flavine

noun
  1. a heterocyclic ketone that forms the nucleus of certain natural yellow pigments, such as riboflavin. Formula: C 10 H 6 N 4 O 2See flavoprotein
  2. any yellow pigment based on flavin
  3. another name for quercetin
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Word Origin

C19: from Latin flāvus yellow
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

flavin in Medicine

flavin

(flāvĭn)
n.
  1. Any of various water-soluble yellow pigments, including riboflavin, found in plant and animal tissue as coenzymes of flavoproteins.
  2. A ketone that gives color to various natural yellow pigments.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.