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. 1976 Jul;36(1):127-36.
doi: 10.1079/bjn19760063.

The Forms of Vitamin B12 in Foods

The Forms of Vitamin B12 in Foods

J Farquharson et al. Br J Nutr. .

Abstract

1. The forms of vitamin B12 were determined in foods, most of which had been prepared for consumption. 2. Five forms were detected: adenosylcobalamin, hydroxocobalamin, methylcobalamin, cyanocobalamin and sulphitocobalamin. Adenoxylcobalamin and hydroxocobalamin were the predominant forms. 3. The intestinal absorption of [57Co]sulphitocobalamin was estimated and found to be lower than that of [58Co]cyanocobalamin.

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