tryp·to·phan (tr p t -f n ) also tryp·to·phane (-f n)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. [tryptic, of trypsin (formed on the model of pepsin, peptic); see trypsin + -phan(e).] |
tryptophan [ˈtrɪptəˌfæn]
n
(Life Sciences & Allied Applications / Biochemistry) an essential amino acid; a component of proteins necessary for growth
[from trypt(ic) + -o + -phan variant of -phane]
| tryptophan (trpt-fn) An essential amino acid. Chemical formula: C11H12N2O2. See more at amino acid. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | 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 |
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