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http://dx.doi.org/10.5851/kosfa.2011.31.2.147

Emerging Pathogenic Bacteria: Mycobacterium avium subsp. paratuberculosis in Foods  

Kim, Jung-Hoan (Department of Food Technology and Service, Eulji University)
Griffiths, Mansel W. (Canadian Research Institute for Food Safety, University of Guelph)
Publication Information
Food Science of Animal Resources / v.31, no.2, 2011 , pp. 147-157 More about this Journal
Abstract
Mycobacterium avium paratuberculosis (MAP), the cause of Johne's disease in animals, may be a causative agent of Crohn's disease (CD) in humans, but the evidence supporting this claim is controversial. Milk, meat, and water could be potential sources of MAP transmission to humans. Thus, if the link between MAP and Crohn's disease is substantiated, the fact that MAP has been detected in retail foods could be a public health concern. The purpose of the present study was to review the link between MAP and CD, the prevalence of MAP in foods, heat inactivation, control of MAP during food processing, and detection methods for MAP. Although MAP positive rates in retail milk in nine countries ranged from 0 to 2.9% by the culture method and from 4.5 to 15.5% by PCR, high temperature short time pasteurization can effectively control MAP. The effectiveness of pasteurization to inactivate MAP depends on the initial concentration of the MAP in raw milk. Development of highly sensitive and specific rapid detection methods for MAP may enhance investigation into the relationship between MAP and CD, the prevention of the spread of MAP, and problem-solving related to food safety. Collaboration and efforts by government agencies, the dairy industry, farmers, veterinarians, and scientists will be required to reduce and prevent MAP in food.
Keywords
Mycobacterium avium subsp; paratuberculosis; dairy products; food safety; Crohn's disease;
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