Chromatographic Study of Photolysis of Aqueous Cyanocobalamin Solution in Presence of Vitamins B and C

Aqueous cyanocobalamin solutions (pH 1-7) have been photolysed in the presence of individual B (thiamine HCl, riboflavin, nicotinamide and pyridoxine HCl) and C (ascorbic acid) vitamins with visible light.