tryptophan(redirected from D, L-tryptophan)
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tryp·to·phan(trĭp′tə-făn′) also tryp·to·phane (-fān′)
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).]
(Biochemistry) an essential amino acid; a component of proteins necessary for growth
[C20: from trypsin + -phan from Greek phainō appear]
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]
An essential amino acid. See more at amino acid.
n. triptófano, aminoácido cristalino presente en las proteínas, esencial a la vida animal.