title: Interference of ethanol in the determination of tryptophan by the method of spies and chambers.
mesh_terms: D002523:Edible Grain; D000431:Ethanol; D010944:Plants / Q000032:analysis; D013053:Spectrophotometry / Q000379:methods; D014364:Tryptophan / Q000032:analysis*
chemical_list: D000431:Ethanol; D014364:Tryptophan