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Definition of "citrulline" []

  • An amino acid, C6H13N3O3, originally isolated from watermelon, that is produced as an intermediate in the conversion of ornithine to arginine during urea formation in the liver. (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 "citrulline" in a sentence
  • "Another amino acid, L-citrulline, known as citrulline, has been researched for its potential benefits as a workout recovery supplement and to help boost immunity after exercise."
  • "The vital nutrient called citrulline that relaxes the blood vessels is found in the highest concentration in the part you generally don't eat -- the watermelon rind."
  • ""Watermelon has a phytonutrient called citrulline, and they've discovered that it can relax blood vessels and have a similar effect to Viagra," Reiley said."