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DIETARY FIBER AND VITAMIN B₁₂ BALANCE

Abstract:	Inclusion of either cellulose or pectin in a fiber-free basal diet increased the rate of fecal excretion of vitamin B₁₂. In addition, pectin supplements stimulated a nine- to 21-fold increase in urinary excretion of methylmalonic acid.

Keywords:	vitamin B₁₂ deficiency methylmalonic acid dietary fiber cellulose pectin