Mineral and phytate intake: indicators for monitoring of nutrition
DOI:
https://doi.org/10.3395/vd.v2n4.455Keywords:
Health Survey, Phytic Acid, Dietary Minerals, Nutritive Value, Nutritional SurveillanceAbstract
The objective of this study was to evaluate the molar ratios between phytate and the minerals calcium, iron and zinc according to the meals eaten by teenagers, adults and seniors. Data was used from the Campinas municipality Health Survey (ISACAMP 2008), a cross-sectional, population-based study. Nutrient intake was determined by applying the 24-hour recall; 922 adolescents, 950 adults and 1,510 senior citizens were evaluated. The adolescents had higher intake for zinc, calcium, phytate, iron and energy, but lower average intake of dietary fiber than seniors. Risks superior to 80% are observed for the phytate.calcium:zinc molar ratio and above 98% for phytate:iron in all strata investigated, especially at breakfast and afternoon snack. Data from this study allow us to conclude that the prevalence of inadequacy estimated using molar ratios of phytate:minerals range from 1.3% to 99.1%, which suggests risk for impaired absorption of calcium, zinc and iron. Regulation actions of regional character from national databases on food composition can better target policies and food and nutrition programs, mainly those related to risks associated to nutritional quality of the diet.Downloads
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