Effects of Carnosine and Anserine on the Destruction of Vitamin B12 with Vitamin C in the Presence of Copper

Biosci Biotechnol Biochem. 1997 Jan;61(12):2137-9. doi: 10.1271/bbb.61.2137.

Abstract

Vitamin B12 is destroyed by the addition of substantial amounts of vitamin C in the presence of copper. Effects of carnosine and anserine, natural water-soluble antioxidants, on the destruction of vitamin B12, were studied. Addition of carnosine (l0mM) effectively repressed the destruction of vitamin B12, but anserine had only weak inhibitory effects.

Keywords: anserine; antioxidants; carnosine; cobalamin; vitamin C.