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Urinary Excretion of Vitamin B12, folic Acid, and Citrovorum actor in Human Subjects on Various Diets.
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1951
Year
NutritionVarious DietsNutrient BioavailabilityDietary IntakeMolecular NutritionPublic HealthHealth SciencesNutrient PhysiologyClinical NutritionNormal DietsVitamin B ComplexHigh Purine DietsMicronutrientsVitamin NutritionNutritional RequirementPhysiologyVitamin B12Average Urinary ExcretionNutritional SciencesNutritional ScienceFolic AcidMetabolism
The average urinary excretion of vit. B12 in 14 subjects on normal diets was found to be 31 my per day. Similar values were obtained in 28 subjects maintained for 3 days on the following diets: milk, alkaline ash? low protein, and high protein. A somewhat higher value was found in 8 subjects on high purine diets, and the increase over normal was shown to be due to interfering compounds. On the third day of fasting, 6 subjects were found to excrete an average of 62 my vit. B12 per day.