What is the consumers' perception of bakery products made with vitamin A rich sweetpotato and wheat?

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dc.creatorSindi, K.
dc.creatorNdirigwe, J.
dc.creatorMukantwali, C.
dc.creatorLow, Jan W.
dc.creatorKirimi, L.
dc.date2012
dc.date2015-05-19T10:56:19Z
dc.date2015-05-19T10:56:19Z
dc.date.accessioned2026-06-27T18:00:35Z
dc.descriptionManufacturers who import agricultural commodities like wheat are facing increasing costs due to rising commodity prices. Sweetpotato can replace up to 40% of the wheat in many bakery products. This can lower firm production costs, save a country foreign exchange, and increase rural farmers' incomes. We produced bread, biscuits, queen cakes and doughnuts in a commercial bakery, using different combinations of ingredients as follows: wheat flour only; a mixture of wheat flour and orange-flesh sweetpotato (OFSP) flour; and, a mixture of wheat flour and OFSP puree. The products were then subjected to sensory testing, using 120 consumer panelists drawn from a rural primary school, an urban girls' secondary school, and a university. Each of the testers was given a sample of each product marked with a circle, diamond, or square. We used means t-tests and ordered-logit to analyze the evaluations. The results showed that bread made out of a mix of 30% OFSP puree and 70% wheat flour was preferred to that made of 100% wheat flour. Consumers showed no preference between doughnuts and queen cakes made from 100% wheat flour and those made from a mix of 60% wheat flour and 40% OFSP puree. Biscuits made of 40% OFSP puree mixed with 60% wheat flour were preferred to those made with 100% wheat flour. Therefore, sweetpotato puree can be a good substitute of some percentage of wheat for the analyzed products, helping to bring down production costs and food prices
dc.formatapplication/pdf
dc.identifierhttps://hdl.handle.net/10568/66275
dc.identifier.urihttp://hdl.handle.net/123456789/152296
dc.languageen
dc.rightsOpen Access
dc.sourceSindi, K.; Ndirigwe, J.; Mukantwali, C.; Low, J.; Kirimi, L. 2012. What is the consumers' perception of bakery products made with vitamin A rich sweetpotato and wheat? In: Okechukwu, R.U. Adebowale, A.A. Bodunde, H. Eruvbetine, D. Idowu, M. Atanda, O. Dipeolu, A. Ayinde, A.I. Obadina, A.O. Sobukola, O.P. Adebayo, K. Sanni, L.O. (eds.). The roots (and tubers) of development and climate change: Book of Abstracts, conference programme. 16. Triennial Symposium of the International Society for Tropical Root Crops (ISTRC). Abeokuta (Nigeria). 23-28 Sep 2012. Abeokuta (Nigeria). p. 156. Abstract
dc.subjectsweet potatoes
dc.subjectcarotenoids
dc.subjectvitamins
dc.subjectboiling
dc.subjectconsumer behaviour
dc.titleWhat is the consumers' perception of bakery products made with vitamin A rich sweetpotato and wheat?
dc.typeConference Paper

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