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A Survey of the Microbiological Quality of Processed Cheese Products
Donald W Warburton1, Pearl I Peterkin1, Karl F Weiss1
1Bureau of Microbial Hazards, Food Directorate, Health Protection Branch, Health and Welfare Canada, Tunney's Pasture, Ottawa, Ontario, Canada K1A 0L2.
Abstract:
A study done in 1980 to 1981 assessed the overall bacteriological quality of three varieties of domestic and imported processed cheese products. All of the 78 lots tested had counts of <1.8 Escherichia coli and coliforms/g, and had no staphylococcal thermonuclease activity. Domestic products had significantly higher levels of aerobic sporeformers than imported products (α = 0.05), whereas the differences in levels of anaerobic sporeformers in these products were not significant. Results of this study indicated that good manufacturing practices were used during the processing of these products.
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