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The Journal of Food Technology in Africa
Innovative Institutional Communications
ISSN: 1028-6098
Vol. 6, No. 1, 2001, pp. 21-24
Bioline Code: ft01007
Full paper language: English
Document type: Research Article
Document available free of charge

The Journal of Food Technology in Africa, Vol. 6, No. 1, 2001, pp. 21-24

 en Microbial load and microflora of cassava ( Manihot esculenta check for this species in other resources Crantz) and effect of cassava juice on some food borne pathogens
Gulelat Desse, Mulugeta Taye

Abstract

The microbial load of cassava tubers that were grown at Awassa, Ethiopia, was analysed. The total viable microbial count of fresh cassava, before cleaning, ranged from 8.7x104 to 2.1x109
c.f.u/g whereas, in thoroughly cleaned product it was reduced to 106 c.f.u/g (% C.V., 19.5). Enterobacteriacae check for this species in other resources and spore former bacteria had mean counts of 104 and 103 c.f.u/g respectively. The dominant bacteria groups within the aerobic mesophillic flora were Acinetobactor spp check for this species in other resources . (29.1%), Micrococcus spp check for this species in other resources . (17.4%) and Enterbacteriacae (16%). Bacterial spores, Pseudomonas, Moraxella check for this species in other resources and Aeromonas check for this species in other resources spp. Were detected in a small proportions. Fate of Staphylococcus aureus check for this species in other resources , Bacillus cereus check for this species in other resources and Listeria monocytogenes check for this species in other resources in cassava juice was also evaluated. Except in B. cereus the growth of the bacterial strains was retarded only at higher concentrations.

 
© Copyright 2001 The Journal of Food Technology in Africa, Nairobi

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