[rahy-boh-fley-vin, rahy-boh-fley-, -buh-]
a vitamin B complex factor appearing as an orange-yellow, crystalline compound, C17H20N4O6, derived from ribose, essential for growth, found in milk, fresh meat, eggs, leafy vegetables, etc., or made synthetically, and used in enriching flour, in vitamin preparations, and in treating facial lesions.
Also ri·bo·fla·vine [rahy-boh-fley-vin, -veen] /ˌraɪ boʊˈfleɪ vɪn, -vin/.
Origin of riboflavin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for riboflavin
Historical Examples of riboflavin
A study of riboflavin metabolism in the American roach by fluorescence microscopy.The Biotic Associations of Cockroaches
Louis M. Roth
a yellow water-soluble vitamin of the B complex that occurs in green vegetables, germinating seeds, and in milk, fish, egg yolk, liver, and kidney. It is essential for the carbohydrate metabolism of cells. It is used as a permitted food colour, yellow or orange-yellow (E101). Formula: C 17 H 20 N 4 O 6Also: vitamin B 2, lactoflavin
Word Origin for riboflavin
C20: from ribose + flavin
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
Online Etymology Dictionary, © 2010 Douglas Harper
An orange-yellow crystalline compound that is the principal growth-promoting factor in the vitamin B complex, naturally occurring in milk, leafy vegetables, fresh meat, and egg yolks.lactoflavin vitamin B2
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
A water-soluble compound belonging to the vitamin B complex that is important in carbohydrate metabolism and the maintenance of mucous membranes. Riboflavin is found in milk, leafy vegetables, meat, and egg yolks. Also called vitamin B2. Chemical formula: C17H20N4O6.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.