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Prevalence of Enteropathogenic Escherichia coli Isolated from Chhana Based Indian Sweets in Relation to Public Health

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Abstract

Chhana based milk products viz. rossogolla, kanchagolla,narampak sandesh and karapak sandesh are very popular in eastern part of India and gaining popularity in other parts of the country. A wide variation in manufacture method, microbial quality and shelf-life of these traditional milk products were observed by previous research. The aim of the present study was to determine the prevalence of contamination of chhana based milk products available in Kolkata city with Enteropathogenic Escherichia coli (EPEC) serogroups. Random samples of different chhana based milk products were collected from different parts of Kolkata city in aseptic condition, cultured in selective media and examined for biochemical tests. Among 240 samples, E. coli was isolated from 67 (27.91%) of them. Potential EPEC was present in 52 samples (21.66%) and 55 of the isolates were EPEC. Eleven serogroups were identified viz. O26, O55, O111, O119, O114, O125, O142, O86, O126, O127, O128. Among all these serogroups, O55 (23.66%) was the most prevalent. Though recent studies on virulence factors indicate that not all strains serologically classified as EPEC are able to attaching/effacing lesion, it is believed that the isolation of EPEC serogroups from chhana based milk products represent a potential risk for public health particularly children, as well as an indicative of the presence of other enteropathogens. Considering the public health importance of sweetmeat consumers, the product should be prepared hygienically reducing the microbial load present in it. The result indicates that strict preventive measures should be adopted to ensure contamination free sweetmeats for the safety of the consumers.

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Acknowledgment

The authors are grateful to the Department of Veterinary Microbiology, WBUAFS, Kolkata, India for providing the technical assistance during this investigation.

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  1. Department of Dairy Microbiology, Faculty of Dairy Technology, West Bengal University of Animal and Fisheries Sciences, Mohanpur Campus, Nadia, Mohanpur, 741252, West Bengal, India

    T. K. Maity, Rakesh Kumar & A. K. Misra

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  1. T. K. Maity
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  2. Rakesh Kumar
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  3. A. K. Misra
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Correspondence to T. K. Maity.

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Maity, T.K., Kumar, R. & Misra, A.K. Prevalence of Enteropathogenic Escherichia coli Isolated from Chhana Based Indian Sweets in Relation to Public Health. Indian J Microbiol 50, 463–467 (2010). https://doi.org/10.1007/s12088-011-0102-9

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