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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Quality of cassava foods in Sierra Leone
Journal of the Science of Food and Agriculture, Volume 64, No. 4, Year 1994
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Description
Gari and foofoo (fermented cassava foods) were purchased in the Freetown markets of Sierra Leone and analysed for factors associated with quality. Sellers were generally knowledgable about the source of the products which all originated from the country areas outside Freetown. The mean cyanide contents were higher (8.6 mg kg−1 DM for gari and 28.2 mg kg−1 DM for foofoo) than the amounts suggested by the Codex specification and, because of the distribution of the values around the mean, some samples necessarily contained unacceptable amounts of cyanide. Cyanogens were present as the cyanohydrin or as free cyanide; no glucoside was detected. Microbiological analysis of the samples showed high counts for total organisms, fungi and Enterobacteriaceae (106–107 g−1). The mean water content of gari was 119 g kg−1 which falls within the recommended limit of 120 g kg−1 but again, due to the distribution of values around the mean, some samples had considerably higher water contents than that limit. Titratable acidity and pH were measured and the mean pH values were 4.18 for foofoo and 4.55 for gari. The particle size and swelling power of gari samples were also measured as these relate to consumer acceptance. The data show the quality of current cassava foods marketed in a major urban centre in Sierra Leone. As centralised processing develops, improvements can be made to those quality parameters which have been identified as important. Copyright © 1994 John Wiley & Sons, Ltd
Authors & Co-Authors
Blanshard, Alex F.J.
United Kingdom, Nottingham
University of Nottingham
Dahniya, Mohammed H.
Sierra Leone, Freetown
Institute of Agricultural Research
Poulter, Nigel H.
United Kingdom, Chatham
Natural Resources Institute
Taylor, Andrew J.
United Kingdom, Nottingham
University of Nottingham
Statistics
Citations: 13
Authors: 4
Affiliations: 3
Identifiers
Doi:
10.1002/jsfa.2740640406
ISSN:
00225142
Research Areas
Environmental
Study Locations
Sierra Leone