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Published:
Jun 12, 2013DOI:
10.4314/jssd.v4i1.7Keywords:
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Main Article Content
Evaluation of Pathogenic Bacteria Associated with Fresh Produce obtained from Selected Markets in Abeokuta
Abstract
The bacterial quality of eight types of fresh produce obtained from selected markets in Abeokuta was determined. Two hundred forty (240) samples of fresh vegetables were examined for aerobic plate counts, coliform counts, and presence of Escherichia coli, toxigenic Staphylococcus
aureus, Salmonella spp and Listeria spp. The aerobic plate counts ranged from 2.80 log10 cfu/g to 15.60 log10 cfu/g with the inner parts of cut- water melons having the highest value. Total coliform counts ranged from 0.0 to 11.80 log10 cfu/g. Pathogenic bacteria isolated were Escherichia coli,
Staphylococcus aureus, Salmonella spp, Listeria spp, Shigella dysenteriae, Klebsiella pneumoniae, Enterobacter aerogenes, Bacillus spp, Pseudomonas aeruginosa and Streptococcus spp. These pathogens were mostly found at the outer leaves/ parts of the vegetables and render unsafe for human consumption. This study shows that the outer parts/ leaves of fresh produce are heavily contaminated with pathogenic bacteria and the fresh produce should be pre- treated thoroughly, so as to reduce the risk of food- borne outbreaks.
Keywords · Pathogenic bacteria · Bacterial quality · Coliform counts
