نویسندگان

Hakime Ghadiri Hakim

Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

Yasser Jamali Behnam

Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

Mohammad Hashemi

Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

Alireza Miri Disfani

Food Safety Committee Working Group on Food Health and Security, Mashhad University of Medical Sciences, Mashhad, Iran.

Mohammad Reza Torbati Moghaddam

Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

Asma Afshari

Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

چکیده

Background: Milk and dairy products have an essential role in human health; however, they are easily contaminated and are likely to transfer pathogenic foodborne bacteria. Since traditional dairy products are very popular and are frequently used by the community, the aim of this study was to assess the contamination rate of raw milk and traditional dairy products by pathogenic bacteria and mold in Mashhad, Iran. Methods: A total of ۲۰۰ samples were collected from five districts of Mashhad, Iran in the summer of ۲۰۱۸. Samples were tested for Coliform, E. coli, S. aureus, Salmonella spp, Listeria monocytogenes, mold, and yeast according to the Iranian national standard methods. Results: Results showed that ۶۵% of the samples were positive for at least one pathogenic bacteria. The prevalence of Coliform, Escherichia coli, Staphylococcus aureus, Listeria monocytogenes, Salmonella spp., molds, and yeast in all dairy products were ۶۲.۵%, ۳۲.۵%, ۵۹.۵%, ۲۷.۵%, ۲۶%, and ۱۰۰% respectively. Conclusion: The results indicated that considerable numbers of traditional dairy products were contaminated with pathogenic microorganisms in Mashhad, Iran which emphasized the need for stricter hygienic rules and general education about the safety of traditional foods.

کلیدواژه ها

Bacteria, Dairy products, Food contamination, Iran, Microorganism

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