Effect of Diet Composition on Protein-Requirements of Children and Adults in Northern Mexico

M N BALLESTEROS, M E VALENCIA, David Stanley Brown

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    Abstract

    The overall vegetable and animal protein combinations of the diet in Northern Mexico were determined through a dietary population survey. Vegetable sources made up 45% and animal protein was 55% (45V/55A). Further combinations of up to 100% vegetable protein dietary mixtures (100V) were studied to test the sensibility of the variations on protein requirements of pre-school, school children and adults. Diets were analyzed for amino acid composition and in vivo protein digestibility in rats to estimate true protein requirements according to FAO/WHO/UNU (1985). The effect on the pre-school group showed the widest variation with 1.46 g/kg/day in the 45V/55A to 2.63 in the 100V. For the school-aged children and adults the variations were 1.15-1.79 and 0.94-0.84 g/kg/day respectively.

    Original languageEnglish
    Pages (from-to)90-100
    Number of pages11
    JournalAnnals of Nutrition & Metabolism
    Volume37
    Issue number2
    Publication statusPublished - Mar 1993

    Keywords

    • requirements
    • proteins
    • diet
    • amino-acid-requirement
    • young men
    • kinetics
    • quality
    • cereals
    • legumes

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