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Friday, September 23, 2016

Effects of vitamin B12 and aureomycin on nitrogen retention in infants.

Effects of vitamin B12 and aureomycin on nitrogen retention in infants.




Effects of vitamin B12 and aureomycin on nitrogen retention in infants.

Author Affiliation : Child. Hosp., Philadelphia, Pa.
Journal article : Pediatrics 1954 Vol.13 pp.462-475
ISSN : 0031-4005
Record Number : 19551401237
Abstract :Nitrogen balance studies were made with 3 infants given a liquid diet containing 3.6 per cent. protein, and 3 having only 0.4 per cent. protein. After a preliminary period of from 4 to 6 days, from 30 to 300 µg. vitamin B12 were given for 5 or 6 days, and 2 subjects subsequently received both vitamin B12 and aureomycin. There was no clear evidence that addition of vitamin B12 to a diet of high or low protein content altered nitrogen metabolism. In the infants having low-protein diets nitrogen retention increased slightly when vitamin B12 was given hut decreased in those with a high-protein intake, Neither vitamin B12 nor aureomycin had any significant effect on weight gain. Some stimulation of appetite was seen in 2 infants. All subjects remained in positive balance for Na, K and Cl throughout the tests. The diet with 0.4 per cent. protein, which provided about 0.1 g. per kg. bodyweight daily from cow's milk, was apparently close to the minimum nitrogen intake for maintaining equilibrium in infants in the conditions of the study, A. M. Copping.
Language of text : Spanish
Language of summary : Spanish

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