title: An improved column chromatographic method for isolation of tryptophan metabolites.
mesh_terms: D006916:5-Hydroxytryptophan / Q000302:isolation & purification; D000447:Aldehydes / Q000302:isolation & purification; D000577:Amides / Q000302:isolation & purification; D000818:Animals; D002848:Chromatography, DEAE-Cellulose; D003124:Colorimetry; D006897:Hydroxyindoleacetic Acid / Q000302:isolation & purification; D007210:Indoleacetic Acids / Q000302:isolation & purification* / Q000652:urine; D007736:Kynurenic Acid / Q000302:isolation & purification; D007737:Kynurenine / Q000302:isolation & purification* / Q000652:urine; D008297:Male; D008722:Methods; D009570:Nitriles / Q000302:isolation & purification; D051381:Rats; D012701:Serotonin / Q000302:isolation & purification; D013050:Spectrometry, Fluorescence; D014363:Tryptamines / Q000302:isolation & purification; D014364:Tryptophan / Q000378:metabolism*; D014508:Urea / Q000302:isolation & purification; D026681:Vitamin B 6 Deficiency / Q000652:urine; D014977:Xanthurenates / Q000302:isolation & purification
chemical_list: D000447:Aldehydes; D000577:Amides; D007210:Indoleacetic Acids; D009570:Nitriles; D014363:Tryptamines; D014977:Xanthurenates; D012701:Serotonin; D007737:Kynurenine; D006897:Hydroxyindoleacetic Acid; D014364:Tryptophan; D014508:Urea; D006916:5-Hydroxytryptophan; D007736:Kynurenic Acid