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Long-term evaluation of the adequacy of habitual diets to provide protein needs of adult Nigerian men

Published online by Cambridge University Press:  09 March 2007

T. Atinmo ,
G. Egun  and
C. M. F. Mbofung
T. Atinmo
Affiliation:
Department of Human Nutrition, College of Medicine, University of Ibadan, Ibadan, Nigeria
G. Egun
Affiliation:
Department of Human Nutrition, College of Medicine, University of Ibadan, Ibadan, Nigeria
C. M. F. Mbofung
Affiliation:
Department of Human Nutrition, College of Medicine, University of Ibadan, Ibadan, Nigeria
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Abstract

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1. A continuous 40 d metabolic nitrogen balance study was conducted on twelve young men aged 25 (sd 2.6) years to evaluate the adequacy of a previously determined safe level of protein intake.

2. Subjects were fed on diets which they were habitually accustomed to and which provided a protein level of 0.75 g protein (N × 6.25)/kg body-weight per d as the safe level and an energy intake level of 0.2 MJ/kg body-weight per d. N balances, including an estimate for integumental losses as well as certain biochemical variables, were determined for the last 5 d of two consecutive 20 d diet periods.

3. Only two of the twelve subjects were observed to be in negative N balance during the final 5 d of the 40 d period. N balance was generally positive at 8.24 (sd 8.61) mg N/kg body-weight, thus confirming the adequacy of 0.75 g protein/kg body-weight per d as a safe level of protein intake in the majority of the subjects.

Type
Clinical and Human Nutrition papers: Studies in Man
Information
British Journal of Nutrition , Volume 60 , Issue 3 , November 1988 , pp. 459 - 466
Copyright
Copyright © The Nutrition Society 1988

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