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Consumption of Orange‐Fleshed sweetpotato (OFSP) and products as source of provitamin A is being promoted to tackle vitamin A deficiency (VAD) in sub‐Saharan Africa. However, limited information is available on β‐carotene retention in foods and delivery after digestion. The study assessed caroten...


Chilungo, S.Muzhingi, T.Truong, V.D.Allen, J.C.[Effect of processing and oil type on carotene bioaccessibility in traditional foods prepared with flour and puree from orange-fleshed sweetpotatoes.]Effect of processing and oil type on carotene bioaccessibility in traditional foods prepared with flour and puree from orange-fleshed sweetpotatoes.

Vitamin A deficiency (VAD) is widespread in sub‐Saharan Africa (SSA). Unlike in developed countries, where the main source of vitamin A comes from meat, the diet of poor populations in SSA is largely plant based. It is thus important to identify local / popular plants with higher vitamin A conten...


Blomme, GuyOcimati, W.Nabuuma, D.Sivirihauma, C.Davey, M.Buah, S.Bergh, I. van denVutseme, L.Bahati, L.Ekesa, B.[Pro-vitamin A carotenoid content of 48 plantain (Musa AAB genome) cultivars sourced from eastern Democratic Republic of Congo]Pro-vitamin A carotenoid content of 48 plantain (Musa AAB genome) cultivars sourced from eastern Democratic Republic of Congo

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.

Different drying treatments, cross flow, greenhouse solar, and open-air sun, were applied to an American orange-fleshed sweetpotato variety. Trans-?-carotene losses in flour made from dried chips varied between 16 and 34% in all treatments. Hot air cross flow drying retained significantly more pr...


Bechoff, AurélieDufour, D.L.Dhuique-Mayer, ClaudieMarouze, CReynes, MWestby, Andrew[Effect of hot air, solar and sun drying treatments on protavitamin A retention in orange-fleshed sweetpotato]Effect of hot air, solar and sun drying treatments on protavitamin A retention in orange-fleshed sweetpotato

The 2013 Lancet Maternal and Child Nutrition series identified evaluations of nutrition-sensitive agricultural interventions as a research priority. The Mama SASHA study in Western Kenya links delivery of vitamin A (VA) rich orange-flesh sweet potato (OFSP) to antenatal care to improve VA and nut...


Girard, Amy W.Grant, F.Okuku, H.S.Akelo, V.Wanjala, R.Levin, C.Cole, D.Low, J.W.[Evaluating the effectiveness of a nutrition-sensitive agriculture intervention in Western Kenya: design of the Mama SASHA cohort study of vitamin A.]Evaluating the effectiveness of a nutrition-sensitive agriculture intervention in Western Kenya: design of the Mama SASHA cohort study of vitamin A.

In sub-Saharan Africa, more than 40% of children under five years of age suffer from vitamin A deficiency. Among several interventions in place to address vitamin A deficiency is biofortification, breeding vitamin A into key staple crops. Staple crops biofortified with beta-carotene, the precurso...


Low, J.W.Ball, A.Magezi, S.Njoku, J.Tomlins, Keith I.Dove, R.Mourik, T. V.Andrade, M.I.Mwanga, R.O.M.[Sweet potato development and delivery in sub-saharan Africa]Sweet potato development and delivery in sub-saharan Africa

Cassava (Manihot esculenta) is an important staple crop, especially in the arid tropics. Because roots of commercial cassava cultivars contain a limited amount of provitamin A carotenoids, both conventional breeding and genetic modification are being applied to increase their production and accum...


Welsch, RArango, JacoboBar, CSalazar, BAl-Babili, S.Beltrán Giraldo, Jorge AlonsoChavarriaga Aguirre, PaulCeballos, H.Tohme, Joseph M.Beyer, Peter[Provitamin A accumulation in Cassava (Manihot esculenta) roots driven by a single nucleotide polymorphism in a phytoene synthase gene[W]]Provitamin A accumulation in Cassava (Manihot esculenta) roots driven by a single nucleotide polymorphism in a phytoene synthase gene[W]

Undernutrition in developing countries continues to affect 780 million people resulting in poor growth and development; increasing the burden of disease and imposing a number of costs on the affected countries. The aim of this study was to establish the dietary diversity and consumption patterns...


Nabuuma, D.Ekesa, B.Kennedy, G.[Dietary diversity among smallholder households in Bukoba district, Tanzania and Kiboga district, Uganda]Dietary diversity among smallholder households in Bukoba district, Tanzania and Kiboga district, Uganda

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.

To maximize the availability of pro-vitamin A carotenoids in sweet potato and to recommend the appropriate start of piecemeal harvesting practice, the main carotenoids in storage roots of 17 different sweet potato cultivars were surveyed using HPLC and spectrophotometry methods, and their variati...


K'Osambo, L.M.Carey, E.E.Misra, A.K.Wilkes, J.Hagenimana, V.[Influence of age, farming site, and boiling on pro-vitamin A content in sweet potato (Ipomea batatas (L.) Lam.) storage roots]Influence of age, farming site, and boiling on pro-vitamin A content in sweet potato (Ipomea batatas (L.) Lam.) storage roots

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