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While micronutrient malnutrition has become a major public health problem in developing countries, consumption of biofortified foods such as orange fleshed sweet potato has proved to be cost effective means of addressing vitamin A deficiency. This paper describes consumer preferences and willingn...


Bocher, T.Sindi, K.Muzhingi, T.Nshimiyimana, J.C.Nzamwita, M.Low, J.W.[Investigating consumer preferences and willingness to pay for Orange-fleshed Sweet potato (OFSP) juice in Rwanda.]Investigating consumer preferences and willingness to pay for Orange-fleshed Sweet potato (OFSP) juice in Rwanda.

Limited information exists on the status of hygiene and probable sources of microbial contamination in Orange Fleshed Sweet Potato (OFSP) puree processing. The current study is aimed at determining the level of compliance to Good Manufacturing Practices (GMPs), hygiene, and microbial quality in O...


Derick, N.M.Muzhingi, T.George, O.A.[Good manufacturing practices and microbial contamination sources in orange fleshed sweet potato puree processing plant in Kenya.]Good manufacturing practices and microbial contamination sources in orange fleshed sweet potato puree processing plant in Kenya.

Based on a qualitative study conducted in Chikwawa and Phalombe in Malawi, this paper looks at farmers perceived economic, health and social benefits of production, commercialization and consumption of orange fleshed sweet potato (OFSP). Findings demonstrate that perceived health and economic ben...


Mudege, Netsayi N.Mayanja, S.Muzhingi, T.[Women and men farmer perceptions of economic and health benefits of orange fleshed sweet potato (OFSP) in Phalombe and Chikwawa districts in Malawi.]Women and men farmer perceptions of economic and health benefits of orange fleshed sweet potato (OFSP) in Phalombe and Chikwawa districts in Malawi.

OFSP is being used as an ingredient of baked products and can be a source of pro-vitamin A. Information about OFSP puree bread consumer profile is limited. The current study investigates the consumer socio-demographics, knowledge, practices and attitude towards OFSP puree bread in Kenya. A total ...


Wanjuu, C.Bocher, T.Abong, G.O.Low, J.W.Mbogo, D.Heck, S.Muzhingi, T.[Consumer knowledge and attitude towards orange-fleshed sweetpotato (OFSP) puree bread in Kenya.]Consumer knowledge and attitude towards orange-fleshed sweetpotato (OFSP) puree bread in Kenya.

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.

This study reports the inherent phytochemical contents in leaves and roots of nine sweet potato varieties from Kenya. Results indicated that vitamin C content varied significantly () among the sweet potato varieties regardless of the plant part, leaves having significantly () higher levels than i...


Abong, G.O.Muzhingi, T.Okoth, M.W.Ng’ang’a, F.Ochieng’, P.E.Mbogo, D.Malavi, D.N.Akhwale, M.Ghimire, S.[Phytochemicals in leaves and roots of selected Kenyan orange fleshed sweet potato (OFSP) varieties.]Phytochemicals in leaves and roots of selected Kenyan orange fleshed sweet potato (OFSP) varieties.

The objective of this study is to evaluate the use of lowland areas for vine conservation to improve the availability and access of planting material during the main planting period and subsequently improve access to Orange Fleshed Sweetpotato (OFSP) roots for consumption and income. The study wa...


Rakotoarisoa, B.E.Francisco, E.A.Jaisse, M.Naico, A.Makunde, G.S.Andrade, M.I.Muzhingi, T.[Access to lowland areas for vine conservation: a key determinant of increased utilization of orange-fleshed sweetpotato in Niassa province, Mozambique]Access to lowland areas for vine conservation: a key determinant of increased utilization of orange-fleshed sweetpotato in Niassa province, Mozambique

Research in Rwanda demonstrated that orangefleshed sweetpotato (OFSP) purée (steamed, mashed roots) was an economically viable, vitamin A enhancing ingredient in baked products when the purée was produced and used in the same bakery. Having a storable, packaged OFSP purée produced by a firm to su...


Bocher, T.Muoki, P.Magnaghi, A.Muzhingi, T.Low, J.W.[From lab to life: Making storable orange-fleshed sweetpotato purée a commercial reality]From lab to life: Making storable orange-fleshed sweetpotato purée a commercial reality

Orange Fleshed Sweetpotato (OFSP) puree is a nutritious food ingredient for promoting Vitamin A intake in processed food products in Sub-Saharan Africa (SSA). OFSP puree handlers play an important role in ensuring production of consistently safe and quality OFSP puree and related processed produc...


Malavi, D.N.Abong, G.O.Muzhingi, T.[Food safety knowledge, attitude and practices of orange fleshed sweetpotato puree handlers in Kenya]Food safety knowledge, attitude and practices of orange fleshed sweetpotato puree handlers in Kenya

Value addition of orange‐fleshed sweet potato (OFSP) increases diversified utilization of this crop, which is rich in provitamin A carotenoids. OFSP bread, in which 30%–45% of wheat flour is replaced with OFSP puree, has been successfully commercialized in Kenya. However, the effect of this subst...


Wanjuu, C.Abong, G.O.Mbogo, D.Heck, S.Low, J.W.Muzhingi, T.[The physiochemical properties and shelf‐life of orange‐fleshed sweet potato puree composite bread]The physiochemical properties and shelf‐life of orange‐fleshed sweet potato puree composite bread

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