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Metabolic responses of adult men to a daily magnesium intake of 430 mg from vegetable proteins

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Abstract

The retention of magnesium from low intakes of vegetable protein provided by four combinations of soya and groundnut nitrogen was studied in seven adult males. The diets furnished a protein equivalent of 0.5 g protein/kg/day and a daily magnesium intake of 5.8 mg/kg body weight. Only two subjects retained some magnesium when soya and groundnut nitrogen contributed evenly to the total nitrigen intake (diet II) or when egg was substituted for part of the nitrogen intake (diet I). Urinary and fecal magnesium excretion accounted for 52% and 56% of intake, respectively. The mean magnesium absorption (mg/kg body weight) was significantly reduced (P < 00.5) by consumption of the high groundnut diet. The mean magnesium retention for all subjects was negative throughout the experimental periods. The possible effects of nitrogen retention on magnesium utilization is discussed.

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  1. Faculty of Medicine, Department of Nutrition, University of Ibadan, Ibadan, Nigeria

    Olufunmike Alalade Ajayi

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  1. Olufunmike Alalade Ajayi
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Ajayi, O.A. Metabolic responses of adult men to a daily magnesium intake of 430 mg from vegetable proteins. Plant Food Hum Nutr 30, 109–115 (1980). https://doi.org/10.1007/BF01099048

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