| 单词 | tryptophan |
| 释义 | tryptophan /trip"teuh fan'/, n. Biochem. an essential amino acid, (C8H6N)CH2CH(NH2)COOH, colorless, crystalline, and aromatic, released from proteins by tryptic digestion and a precursor of serotonin. Abbr: Trp; Symbol: W Also, tryptophane /trip"teuh fayn'/. [1900-05; trypto- (irreg. comb. form repr. Gk triptós rubbed) + -PHAN(E)] |
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