flavin

[ fley-vin ]

/ ˈfleɪ vɪn /

a complex heterocyclic ketone that is common to the nonprotein part of several important yellow enzymes, the flavoproteins.

quercetin.

Also flavine.

Origin of flavin

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

-flavin

a combining form occurring in compound words which denote natural derivatives of flavin: riboflavin.

Flavin was keen on such mundane connections in his earliest years, then rejected them when he became a famous formalist.

Magpie Loose in a Car Dealership |Blake Gopnik |July 17, 2013 |DAILY BEAST
Stallone and Flavin have been together since 1988—married since 1997—and have three daughters, Sophia, Sistine, and Scarlet.

Stallone Family Fight Over Sage’s Death Sparked by Facebook Comments |Paula Froelich |July 17, 2012 |DAILY BEAST
Flavin, add both to the bath together with indigo extract (1/2 tablespoonful).

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

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
From his seat below the Gangway Mr. Flavin watched procedure with wistful eyes.

Punch, or the London Charivari, Vol. 150, January 19, 1916 |Various
Yellows can be got with weld, flavin, turmeric (for which cotton has a strong attraction), and fustic.

Vegetable Dyes |Ethel M. Mairet

flavin

/ (ˈfleɪvɪn) /

a heterocyclic ketone that forms the nucleus of certain natural yellow pigments, such as riboflavin. Formula: C 10 H 6 N 4 O 2 See flavoprotein

any yellow pigment based on flavin

another name for quercetin

C19: from Latin flāvus yellow

flavin

[ flā′vĭn ]

Any of various water-soluble yellow pigments, including riboflavin, found in plant and animal tissue as coenzymes of flavoproteins.

A ketone that gives color to various natural yellow pigments.