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Estimation of nitrogen retention by nitrogen balance studies and the adequate protein intake of preschool children


Estimation of nitrogen retention by nitrogen balance studies and the adequate protein intake of preschool children



Acta Nutrimenta Sinica 12(4): 344-348



ISSN/ISBN: 0512-7955

Nitrogen balance of normal developed, healthy preschool children 4-7 yrs old, lodged in the kindergartens was studied. 105 preschool children were divided into 15 groups at different protein intakes ranged from 6.28g/MJ to 10.35g/MJ. Prominant correlationship was shown between the intake of protein g/MJ (x) and the retained nitrogen g/kg (y), r = 0.6709, n = 15, p < 0.01. .cxa.y = 0.0198x - 0.1042. Average of retained nitrogen of the normal preschool children was 0.06 g/kg. Based on the above regression function with the retained nitrogen x = 0.06.cntdot.kg-.cntdot.1d-1, protein intake of the preschool children should be 8.29g/MJ, and the adequate protein intake was considered to be 52 g while the energy intake was 6.3MJ/day.

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Accession: 007314343

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