leucine(redirected from leucine enkephalin)
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An essential amino acid, C6H13NO2, obtained by the hydrolysis of protein by pancreatic enzymes during digestion and necessary for optimal growth in children and for the maintenance of nitrogen balance in adults.
[French : leuc-, leuc- + -ine, -ine.]
(Biochemistry) an essential amino acid found in many proteins
leu•cine(ˈlu sin, -sɪn)
one of the essential amino acids, (CH3)2CHCH2CH(NH2)COOH, present in most proteins. Abbr.: Leu;Symbol.: L
[< French (1820) < Greek leuk(ós) white + French -ine -ine1]
An essential amino acid. See more at amino acid.
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|Noun||1.||leucine - a white crystalline amino acid occurring in proteins that is essential for nutrition; obtained by the hydrolysis of most dietary proteins|
essential amino acid - an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet