Microbiological quality of fermented cassava flour 'kpor umilin'

International Journal of Food Sciences and Nutrition
J A Tsav-WuaM A Akpapunam

Abstract

A study was conducted on the microbiological quality of traditionally fermented cassava flour 'kpor umilin' and a laboratory modification of the method developed with a view to upgrading the traditional process. Microbial analysis of samples from both processing methods was evaluated using standard microbiological methods. The bacterial count in the traditionally processed flours ranged from 2.7 x 10(3) to 1.2 x 10(7) cfu/g, while the modified sample had a count of 3.5 x 10(2) cfu/g. The predominant flora were Leuconostoc spp., Lactobacillus spp., Staphylococcus spp., Micrococcus spp., Bacillus spp., Streptococcus spp. and coliforms such as Escherichia coli. Other isolates were Enterobacter spp. and proteus spp. The sample from the modified method had a negligible (4 MPN/100 ml) coliform count. The yeast and mould count ranged from 1.9 x 10(3) cfu/g to 3.9 x 10(5) cfu/g in the traditionally processed samples as compared with 1.5 x 10(3) cfu/g in the sample from the modified process. Aspergillus spp., Penicillium spp., Saccharomyces spp. and Geotrichum candidum were the predominant fungi. The poor microbiological quality of 'kpor umilin', processed traditionally, calls for urgency in upgrading the processing and preservation met...Continue Reading

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Citations

Jan 1, 2013·International Journal of Food Science·A O Adebayo-OyetoroM A Omemu
Dec 22, 2007·Journal of Food Protection·A R GreenhillJ M Warner

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