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Sodium, potassium, and calcium intake in adults consuming normal diets in northern mexico determined by analytical and calculated methods

Authors
Journal
Journal of Food Composition and Analysis
0889-1575
Publisher
Elsevier
Publication Date
Volume
5
Issue
2
Identifiers
DOI: 10.1016/0889-1575(92)90027-h

Abstract

Abstract Knowledge of Na, K, and Ca contents of food is important because of the relationship of these nutrients to hypertension. Data on minerals are lacking for many foods commonly consumed in Mexico. In this study, diets of 22 healthy normotensive individuals were analyzed by atomic absorption for Na, Ca, and K. Analytical data were compared to calculated values obtained from food composition tables using the 24-h recall method. Differences between calculated and analyzed values were obtained for Na and K; however, Ca values were quite similar. Mean analyzed Na intake (5 ± 1.7 g/day) exceeded recommended levels and also was a function of caloric intake. Mean analyzed potassium intake (1.8 ± 0.7 g/day) was below recommended levels; however, mean Ca intake (900 ± 360 mg/day) was adequate.

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