title: Determination of purine alkaloids and trigonelline in instant coffee and other beverages using high performance liquid chromatography.
mesh_terms: D000470:Alkaloids / Q000032:analysis*; D001628:Beverages / Q000032:analysis*; D002851:Chromatography, High Pressure Liquid; D003069:Coffee / Q000032:analysis; D009539:Nicotinic Acids / Q000032:analysis*; D011687:Purines / Q000032:analysis*
chemical_list: D000470:Alkaloids; D003069:Coffee; D009539:Nicotinic Acids; D011687:Purines; C009560:trigonelline