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A colorless crystalline amino acid, C4H9NO3, that is obtained from the hydrolysis of protein and is an essential component of human nutrition.
(Biochemistry) an essential amino acid that occurs in certain proteins
[C20 threon-, probably from Greek eruthron, from eruthros red (see erythro-) + -ine2]
thre•o•nine(ˈθri əˌnin, -nɪn)
an essential amino acid, CH3CHOHCH(NH2)COOH, obtained by the hydrolysis of proteins. Symbol: T Abbr.: Thr
An essential amino acid. See more at amino acid.
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|Noun||1.||threonine - a colorless crystalline amino acid found in protein; occurs in the hydrolysates of certain proteins; an essential component of human nutrition|
essential amino acid - an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet