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Orange-fleshed sweetpotato (OFSP) is a rich plant-based source of beta-carotene, which the body converts into vitamin A. In sub-Saharan Africa, sweetpotato is known as a food security crop but most varieties grown are high dry matter white-fleshed types, lacking beta-carotene. In 1995, researcher...


Low, J.W.Mwanga, R.O.M.Andrade, M.I.Carey, E.Ball, A.M.[Tackling vitamin A deficiency with biofortified sweetpotato in sub-Saharan Africa.]Tackling vitamin A deficiency with biofortified sweetpotato in sub-Saharan Africa.

Vitamin A (VA) deficiency (VAD) is a major nutritional public health problem among children under-5-years-old in the developing world including Kenya. A community-based crosssectional survey among 1,630 children (aged 6-23 mos) was undertaken in Western Kenya. A questionnaire was administered to ...


Oyunga, M.A.Grant, F.K.E.Omondi, D.O.Ouédraogo, H.Levin, C.Low, J.W.[Prevalence and predictors of vitamin a deficiency among infants in Western Kenya using a cross-sectional analysis.]Prevalence and predictors of vitamin a deficiency among infants in Western Kenya using a cross-sectional analysis.

Mothers’ vitamin A (VA) status during pregnancy and lactation determine infants’ VA levels. We estimated VA status during pregnancy and assessed its determinants using data on 505 pregnant women attending first antenatal care visit in Western Kenya. VA and iron status were assessed using plasma r...


Akelo, V.Grant, F.Okuku, H.S.Wanjala, R.Low, J.W.Cole, D.Levin, C.Girard, Amy W.[Determinants of vitamin A status among pregnant women participating in the Mama SASHA Cohort Study of Vitamin A in Western Kenya: preliminary findings.]Determinants of vitamin A status among pregnant women participating in the Mama SASHA Cohort Study of Vitamin A in Western Kenya: preliminary findings.

Maternal anemia is associated with poor birth outcomes. We estimated anemia and iron status and assessed its determinants using data from 505 pregnant women attending their first antenatal care visit in Western Kenya. Iron status was assessed using ferritin and transferrin receptor and corrected ...


Kowalski, A.Grant, F.Okuku, H.Wanjala, R.Low, J.W.Cole, D.Levin, C.Girard, Amy W.[Determinants of anemia and iron status among pregnant women participating in the Mama SASHA Cohort Study of Vitamin A in Western Kenya: preliminary findings.]Determinants of anemia and iron status among pregnant women participating in the Mama SASHA Cohort Study of Vitamin A in Western Kenya: preliminary findings.
Girard, Amy W.Deneen, M.Lubowa, A.Okuku, H.Low, J.W.Grant, F.[An integrated agriculture, health and nutrition program increased vitamin A intakes among mothers and their infants in Western Kenya]An integrated agriculture, health and nutrition program increased vitamin A intakes among mothers and their infants in Western Kenya

Okello, J.J.Sindi, K.Low, J.W.[Consumer perceptions and demand for biofortified sweet potato-based biscuit: The case of Akarabo golden power biscuit in Rwanda.]Consumer perceptions and demand for biofortified sweet potato-based biscuit: The case of Akarabo golden power biscuit in Rwanda.
Low, J.W.McEwan, M.[Combating Vitamin A deficiency diseases: Building the evidence base and partnerships for food based approaches.]Combating Vitamin A deficiency diseases: Building the evidence base and partnerships for food based approaches.

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