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Definition of "riboflavin" [riboflavin]

  • An orange-yellow crystalline compound, C17H20N4O6, the principal growth-promoting factor in the vitamin B complex, naturally occurring in milk, leafy vegetables, fresh meat, and egg yolks. Also called lactoflavin, vitamin B2. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "riboflavin" in a sentence
  • "•Vitamin B2, also known as riboflavin, is important to help balance the effects of B1 and B3."
  • ""Your urine will often turn a bright yellow or orange color due to the presence of vitamin B2, also known as riboflavin," says Tieraona Low Dog, M.D., clinical associate professor of medicine at the Arizona Center for Integrative Medicine at the University of Arizona."
  • "In one test, he put "riboflavin" on a list of nutrients."