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Studies on vitamin D metabolism in malnourished children

Published online by Cambridge University Press:  24 July 2007

N. Raghuramulu
Affiliation:
National Institute of Nutrition, Indian Council of Medical Research, Jamai Osmania (PO), Hyderabad – 500 007, A P, India
Vinodini Reddy
Affiliation:
National Institute of Nutrition, Indian Council of Medical Research, Jamai Osmania (PO), Hyderabad – 500 007, A P, India
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Abstract

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1. Basal levels of serum 25-hydroxy vitamin D (25-OHD) were estimated in ten normal children and twenty-seven children with protein–energy malnutrition.

2. Five normal children and fourteen malnourished children were administered a single massive dose of 15 mg vitamin D orally and the remaining children received oral supplements of 50 μg vitamin D daily for 20 d. Blood samples were obtained after 10 and 20 d of dosing and serum 25-OHD levels were repeated.

3. The basal serum 25-OHD levels were significantly lower (P < 0·05) in malnourished children than in normal children.

4. Administration of a single massive dose of vitamin D as well as daily supplementation of small doses resulted in significant increases in serum 25-OHD levels within 10 d. However, the increase with a massive dose was of a higher magnitude. There was no significant difference between the normal and malnourished children.

5. The binding capacity of serum to 25-OHD was similar in both the groups.

6. These results suggest that vitamin D metabolism is not altered in protein–energy malnutrition.

Type
Papers of direct reference to Clinical and Human Nutrition
Copyright
Copyright © The Nutrition Society 1982

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