Provitamin A Crops: Acceptability, Bioavailability, Efficacy and Effectiveness

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DOI: 10.4236/fns.2013.44055    4,184 Downloads   6,280 Views   Citations


Vitamin A deficiency (VAD) is the world’s commonest cause of childhood blindness. More than half of these cases occur in developing countries. Animal sourced foods though good sources of vitamin A are too expensive for poor rural people. Crops biofortified with provitamin A offer a convenient and accessible source of vitamin A. The other micro-nutrient programs of fortification and supplementation require more expensive inputs. Biofortification programs have developed crops that are rich in provitamin A. These crops include: maize, golden rice, cassava and orange fleshed sweetpotato (OFSP). With exception of golden rice, the rest of the biofortified crops have received considerable acceptance among the communities. Both animal and human studies have shown that provitamin A from biofortified crops is highly bioavailable and have capacity to improve vitamin A status. After several years of research and promotion, it is time to fully commercialize provitamin A crops by encouraging farmers to start their large scale production and consumption.

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G. Tumuhimbise, A. Namutebi, F. Turyashemererwa and J. Muyonga, "Provitamin A Crops: Acceptability, Bioavailability, Efficacy and Effectiveness," Food and Nutrition Sciences, Vol. 4 No. 4, 2013, pp. 430-435. doi: 10.4236/fns.2013.44055.


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