易溶于水。气微、味略带咸涩. 5-Hydroxy-L-tryptophan has been used: · to inject experimental mice for serotonin detection · as a precursor of 5-hydroxytryptamine and injected in pregnant mice and neonatal rats for vital neutral red staining of lung slices · as a standard in citrate-acetate buffer for its use in high performance liquid chromatography (HPLC) analysis 5-Hydroxy-L-tryptophan has been used: · to inject experimental mice for serotonin detection · as a precursor of 5-hydroxytryptamine and injected in pregnant mice and neonatal rats for vital neutral red staining of lung slices · as a standard in citrate-acetate buffer for its use in high performance liquid chromatography (HPLC) analysis