title: Testing the functional capacity of the tryptophan-niacin pathway in man by analysis of urinary metabolites.
mesh_terms: D000328:Adult; D000577:Amides / Q000652:urine; D000588:Amines / Q000652:urine; D002852:Chromatography, Ion Exchange; D004864:Equipment and Supplies; D005260:Female; D006728:Hormones; D006801:Humans; D007200:Indican / Q000652:urine; D007475:Ion Exchange Resins; D007736:Kynurenic Acid / Q000652:urine; D008297:Male; D008661:Metabolism, Inborn Errors / Q000378:metabolism; D008722:Methods; D009536:Niacinamide / Q000652:urine; D009539:Nicotinic Acids / Q000096:biosynthesis*; D010636:Phenols / Q000652:urine; D011247:Pregnancy; D011736:Pyridoxine / Q000032:analysis; D013053:Spectrophotometry; D014364:Tryptophan / Q000378:metabolism*; D014815:Vitamins; D014977:Xanthurenates / Q000652:urine
chemical_list: D000577:Amides; D000588:Amines; D006728:Hormones; D007475:Ion Exchange Resins; D009539:Nicotinic Acids; D010636:Phenols; D014815:Vitamins; D014977:Xanthurenates; D009536:Niacinamide; D014364:Tryptophan; D007736:Kynurenic Acid; D011736:Pyridoxine; D007200:Indican