PRELIMINARY ANALYSIS OF MILK PRODUCTS FOR THE OCCURRENCE OF LISTERIA MONOCYTOGENES A HIGHLY PATHOGENIC BACTERIA
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Abstract
Listeria monocytogenes is an important bacterium for human and animals that causes public health problems. Listeriosis is an infection that can occur when a person eats foods (such as milk and dairy products, meat, egg, fruit and vegetable) that has been contaminated with Listeria monocytogenes. It can survive the extreme storage conditions. The pathogen can cause listeriosis disease which affect immunocompromised persons. Present investigation was carried out to test the occurrence of Listeria monocytogenes in the milk products of Jabalpur. Polymixin Acryflavin Lithium chloride Ceftazidime Asculin Mannitol (PALCAM) media was used for the isolation of bacteria. The presence of L. monocytogenes was confirmed through various biochemical tests such as Catalase, Indole, Methyl red, Voges-Proskauer, Simmon’s citrate agar, haemolysis, and motility test. Large number of sample were found to be positive and so there is great need for time to time microbial analysis and follow the safety rules from preparation of milk products to supply so that the chances of infection was reduced.
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