tryptophan

tryptophan
[ˈtrɪptəfan]
noun

[mass noun](Biochemistry)an amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates
(生化)色氨酸
An indole derivative; chem. formula: C₈H₆NCH₂CH(NH₂)COOH
吲哚衍生物；化学分子式：C₈H₆NCH₂CH(NH₂)COOH

语源

late 19th cent.: from tryptic 'relating to trypsin' + Greek phainein 'appear'

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