African Journal of Food Science
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Article Number - 03C452264782

Vol.11(7), pp. 215-222 , July 2017
DOI: 10.5897/AJFS2016.1557
ISSN: 1996-0794

Full Length Research Paper

Orange-fleshed sweet potato based complementary food provides sufficient vitamin A for infants aged 6-12 months

Pobee Ruth Adisetu
  • Pobee Ruth Adisetu
  • Department of Nutritional Sciences, The Pennsylvania State University, University Park, PennsylvaniaUnited States.
  • Google Scholar
Akonor Paa Toah
  • Akonor Paa Toah
  • CSIR-Food Research Institute, P. O. Box M20, Accra, Ghana.
  • Google Scholar
Bonsi Eunice
  • Bonsi Eunice
  • Department of Foods and Nutritional Sciences and the Cooperative Extension Program, Tuskegee University, Tuskegee, Alabama, United States.
  • Google Scholar

 Received: 03 January 2016  Accepted: 04 April 2017  Published: 31 July 2017

Copyright © 2017 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0

Vitamin A deficiency is a major public health problem in developing countries, specifically Ghana. The high beta-carotene content of orange-fleshed sweetpotato (OFSP) may help alleviate vitamin A deficiency because beta-carotene is converted to vitamin A when consumed. It is hypothesized that complementary food formulated with OFSP, rice, soybean and cowpea or peanut would contain >50% of the estimated average requirement (EAR) of vitamin A for infants 6 to 12 months of age. Three different blend formulations (OFSP Rice-1, OFSP Rice-2 and OFSP Rice-3) were prepared. OFSP Rice-1 was prepared with 50% rice, 30% OFSP and 20% soybeans flours as control; OFSP Rice-2 was prepared with 45% rice, 30% OFSP, 20% cowpea flours and 5% vegetable oil; and OFSP Rice-3 was prepared with 55% rice, 20% OFSP, 20% soybeans flours and 5% peanuts. Each formulation was evaluated for its nutritional quality, sensory characteristics and pasting properties using standard AOAC methods, a 9-point hedonic scale, and Brabender viscoamylograph, respectively. All three formulations met >50% EAR for energy (386.2 to 391.8 kcal/100 g), protein (10.4 to 16.9 g/100 g), carbohydrates (68.4 to 72.2 g/100 g), iron (3.6 to 7.6 mg/100 g) and beta-carotene (2112 to 7879 µg/100 g). OFSP-Rice2 had a significantly higher concentration of beta-carotene (7879.20 µg/100 g). OFSP-Rice3 had the highest acceptability score of 8.0, highest peak viscosity (41.5 BU), highest viscosity after holding (37.0 BU), and the highest final viscosity (53.5 BU). Rice with 20 or 30% OFSP may provide >50% EAR of vitamin A for infants 6 to 12 months of age. This may provide an acceptable vitamin A rich food that could help alleviate vitamin A deficiency in Ghana.

Key words: Complementary food, orange-fleshed sweetpotato (OFSP), vitamin A, broken rice.

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APA Adisetu, P. R., Toah, A. P., & Eunice, B. (2017). Orange-fleshed sweet potato based complementary food provides sufficient vitamin A for infants aged 6-12 months. African Journal of Food Science, 11(7), 215-222.
Chicago Pobee Ruth Adisetu,  Akonor Paa Toah and Bonsi Eunice. "Orange-fleshed sweet potato based complementary food provides sufficient vitamin A for infants aged 6-12 months." African Journal of Food Science 11, no. 7 (2017): 215-222.
MLA Pobee Ruth Adisetu,  Akonor Paa Toah and Bonsi Eunice. "Orange-fleshed sweet potato based complementary food provides sufficient vitamin A for infants aged 6-12 months." African Journal of Food Science 11.7 (2017): 215-222.
DOI 10.5897/AJFS2016.1557

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