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American Journal of Clinical Nutrition, Vol 33, 2174-2176, Copyright © 1980 by The American Society for Clinical Nutrition, Inc
ORIGINAL RESEARCH COMMUNICATIONS |
DJ Philbrick, BW Hollis and HH Draper
The effect of protein deficiency on plasma 25-hydroxyvitamin and 24,25- dihydroxyvitamin D concentrations was determined in weanling rats. The concentrations of these metabolites did not differ in rats fed diet providing either 0.5 or 21% casein for 4 weeks postweaning. Also, no change was observed in plasma levels of these metabolites in rats fed the 21% casein diet in amounts restricted to those consumed by the 0.5% casein animals for the same period of time. The results indicate that the synthesis and transport of 25-hydroxyvitamin and 24,25- dihydroxyvitamin D are not significantly affected by either a protein deficiency or a total food striction during the early postweaning period. This finding may be relevant to the vitamin D status of children with kwashiorkor.
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