- a white, crystalline, water-soluble amino acid, C6H13NO2, obtained by the decomposition of proteins and made synthetically: essential in the nutrition of humans and animals. Abbreviation: Leu; Symbol: L
Origin of leucine
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Examples from the Web for leucine
An experiment carried out as above without any addition of leucine gave 9732 grams of alcohol containing 040 per cent.Alcoholic Fermentation
- an essential amino acid found in many proteins
- An essential amino acid derived from the hydrolysis of protein by pancreatic enzymes during digestion and necessary for optimal growth in infants and children and for the maintenance of nitrogen balance in adults.
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- An essential amino acid. Chemical formula: C6H13NO2. See more at amino acid.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.