title: Clear evidence for the presence of beta-alanine as a constituent of papiliochrome II.
mesh_terms: D000409:Alanine / Q000032:analysis; D000818:Animals; D002080:Butterflies / Q000032:analysis*; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D007915:Lepidoptera / Q000032:analysis*; D008297:Male; D010860:Pigments, Biological / Q000032:analysis
chemical_list: D010860:Pigments, Biological; D000409:Alanine