Listeria monocytogenes in beef: a hidden risk.

Res Microbiol

Department of Zootechny and Agronomy, Universidade Federal de Mato Grosso, Cuiabá 78060-900, Brazil; Faculty of Nutrition, Universidade Federal de Mato Grosso, Cuiabá 78060-900, Brazil. Electronic address:

Published: September 2024

Listeria monocytogenes in beef receives less attention compared to other pathogens such as Salmonella and Escherichia coli. To address this gap, we conducted a literature review focusing on the presence of L. monocytogenes in beef. This review encompasses the pathogenic mechanisms, routes of contamination, prevalence rates, and the laws and regulations employed in various countries. Our findings reveal a prevalence of L. monocytogenes in beef and beef products ranging from 2.5% to 59.4%. Notably, serotype 4b was most frequently isolated in cases of beef contamination during food processing, with the skinning and evisceration stages identified as critical points of contamination.

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Source
http://dx.doi.org/10.1016/j.resmic.2024.104215DOI Listing

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