Keywords
milk
lactary
hygiene
microbiological hazards
How to Cite
Abstract
The hygienic conditions in preparing the infant milk formula used in a public hospital milk dispensary were investigated by microbiological analyses of air, equipment, utensils, powdered and reconstituted infant dairy formula (IDF). Samples were collected from 10 different sampling points of six preparation batches. A total of 60 samples were analyzed for identifying and quantifying the indicative microorganisms as fecal coliforms, total Enterobacteriaceae, aerobic mesophilic and psycrotrophic microorganisms and pathogenic microorganisms as coagulase-positive Staplylococcus, Bacillus cereus and Salmonella. A high variation in the indicative microorganisms counting was observed, although no pathogenic agent was detected. All of the powdered IDF samples were appropriate for consumption according to the regulatory standard. However, the reconstituted IDF samples showed high counts of the majority of indicative microorganisms. Also, this study identified the blender as the main source for reconstituted IDF contamination, and from which the total Enterobacteriaceae and total aerobic mesophilic microorganisms were isolated. Non-compliance with the hygienic prerequisites during the preparation of the reconstituted IDF resulted in an inadequate l product for children consumption.References
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