title: Determination of all-trans and 13-cis vitamin A in food products by high-pressure liquid chromatography.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D003124:Colorimetry; D005504:Food Analysis; D007536:Isomerism; D008722:Methods; D014801:Vitamin A / Q000032:analysis*
chemical_list: D014801:Vitamin A