In the context of evaluating an intervention to introduce provitamin A-rich orange sweet potato in rural Ugandan communities, HarvestPlus and its collaborators conducted surveys of dietary intakes using an interactive, 24-hour recall method (Gibson a
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Es sabido que el fitomejoramiento es un juego de números y que la selección de los genotipos requiere de un esfuerzo considerable, tanto en el campo como en el laboratorio.
The manual has been written as a tool for program planners, experienced health professionals, and nutritionists wishing to measure intakes of iron and zinc and evaluate their adequacy in developing countries.
It is well known that plant breeding is a numbers game, and that screening genotypes requires a substantial effort in both the field and the laboratory.
"Bioavailable iron, vitamin A, and zinc are mainly provided in the human diet by animal source foods.
"Biofortified staple crops – food crops bred for higher micronutrient content – are expected to reduce micronutrient deficiency and its accompanying adverse health outcomes.
This review is organized as follows. First, the characteristics of the digestion and absorption and the metabolism of vitamin A and carotenoids are briefly discussed in Sections 2 and 3, respectively.
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Handbook on vitamin A tracer dilution methods to assess status and evaluate intervention programs
"Vitamin A deficiency is a serious public health problem affecting 140 million children and 20 million pregnant women annually in many developing nations worldwide.