tryptophan

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tryp·to·phan

 (trĭp′tə-făn′) also tryp·to·phane (-fān′)
n.
An essential amino acid, C11H12N2O2, formed from proteins during digestion by the action of proteolytic enzymes. It is necessary for normal growth and development and is the precursor of several substances, including serotonin and niacin.

[trypt(ic), of trypsin (formed on the model of pepsin, peptic); see trypsin + -phan(e).]

tryptophan

(ˈtrɪptəˌfæn) or

tryptophane

n
(Biochemistry) an essential amino acid; a component of proteins necessary for growth
[C20: from trypsin + -phan from Greek phainō appear]

tryp•to•phan

(ˈtrɪp təˌfæn)

also tryp•to•phane

(-ˌfeɪn)

n.
an essential amino acid, (C8H6N)CH2CH(NH2)COOH, released from proteins by the enzyme trypsin during digestion. Abbr: Trp;Symbol: W
[< German (1890), =trypto- (representing Greek trīptós rubbed; see trypsin) + -phan < Greek phaínein to show]

tryp·to·phan

(trĭp′tə-făn′)
An essential amino acid. See more at amino acid.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tryptophan - an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin
essential amino acid - an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet
Translations
Tryptophan
tryptophane
tryptofan

tryp·to·phan

n. triptófano, aminoácido cristalino presente en las proteínas, esencial a la vida animal.

tryptophan

n triptófano
References in periodicals archive ?
In addition, these same factors can increase the conversion of LT2 kynurenine via tryptophan oxygenase, making L-tryptophan unavailable for serotonin production.