《英文msh词典》Trofan
[入口词] Trofan
[主题词] Tryptophan
[药动学] Antidepressive Agents,Second-Generation
[英文释义] An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN,albeit inefficiently,in mammals.