BACTERIOLOGICAL ANALYSIS OF EXPOSED SELECTED READY TO-EAT FOOD SOLD AT THE COMMERCIAL AREA IN FEDERAL POLYTECHNIC DAMATURU, YOBE STATE
Abstract
ABSTRACT
This research is aimed at bacteriological analysis of exposed food (Rice & Beans
and Moimoi). In this research two (2) samples were collected from the commercial
area of Federal Polytechnic Damaturu which included (Rice & Beans and Moimoi)
and were analysed through serial dilution, inoculation, incubation, subculture,
microscopy, grams staining and biochemical tests to confirm the isolated
organisms. The result of bacterial colony counts of the plates reveals higher
ranged of 0.296 x 10^2 cfu/g which was recorded from Rice & Beans under 10^-2
dilution factor and the lowest is 2.5 x 10^-2 cfu/g which was recorded from Rice &
Beans under 10^-4 dilution factor. The isolated organisms include: Staphylococcus
aureus, Escherichia coli, Salmonella, Klebsiella and Pseudomonas aeruginosa, in
which Staphylococcus aureus was confirmed from the samples through grams
staining. This indicates the poor hygiene level of the food vendors as majority of
the food vendors lacks western education. These vendors have to be educated and
train on food hygiene to improve the safety of foods in Federal Polytechnic
Damaturu.
Keywords: Pathogens, Bacterial count, Contamination, Vendors, Food hygiene,
Safety.
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