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Ann N Y Acad Sci. 2014 Apr;1312:76-90. doi: 10.1111/nyas.12350. Epub 2014 Mar 6.

Model for estimating nutrient addition contents to staple foods fortified simultaneously: Mexico and Kampala data.

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Guatemala City, Guatemala.


The objective of this work was to present a generic model for estimating fortification contents when several food vehicles are being considered simultaneously. It is based on approximating the magnitude of the nutritional inadequacy of the population (nutrient gap), the optimal use of the combination of food vehicles (fortifiable food energy, FFE), and the upper intake level to decrease the possibility that individuals with the highest combined intake of all food vehicles will exceed it. The model is intended to be used when only per capita food and micronutrient intake information, not detailed food intake data, are available. Food consumption survey data from Mexico and Kampala (Uganda) were analyzed for adult women, assuming that their intake may be similar to general per capita values. General adjustment factors for estimating the lowest and highest FFE and micronutrient intake for satisfying the requirements of other family members were calculated. These factors were used to estimate the additional effective content and the maximum allowable content, and then the recommended nutrient contents at the consumers' level were chosen on the basis of technological compatibility and cost. The method should be used in other contexts to test its validity as well as its application to nonstaple foods.


food fortification; fortification contents; micronutrients

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