Prevalence and concentration of Listeria monocytogenes in sliced ready-to-eat meat products in the Hellenic retail market

Journal of Food Protection
Apostolos S Angelidis, Konstantinos Koutsoumanis

Abstract

The aim of this work was to estimate the prevalence and concentration of Listeria monocytogenes in packaged precut (slices or cubes) ready-to-eat (RTE) meat products available in the Hellenic retail market. Samples of these RTE meat products (n = 209) were taken from local supermarkets during a 3-month period and analyzed for the presence of L. monocytogenes with an automated enzymatic qualitative immunoassay followed by biochemical confirmation of positive results. The concentration of the pathogen in the positive samples was also determined. Seventeen samples (8.1%) were positive for L. monocytogenes. Eight (47.1%) of these 17 samples were from the same manufacturer; 36.4% of the products tested from this manufacturer were positive for L. monocytogenes. When bacon samples were not considered, the estimated prevalence of L. monocytogenes in sliced RTE meat products was much lower (3.1%). The L. monocytogenes populations in all positive samples were low, < or = 10 CFU/g. In 64.7% of the L. monocytogenes-positive samples, other Listeria species, including L. innocua and L. welshimeri, were also present at <10 to 690 CFU/g. These results indicate that L. monocytogenes is present in low numbers but is in a considerable proportion ...Continue Reading

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Citations

Sep 7, 2007·Journal of Food Protection·Marios Mataragas, Eleftherios H Drosinos
Mar 26, 2008·Foodborne Pathogens and Disease·Shiowshuh Sheen, Cheng-An Hwang
Jan 12, 2011·Journal of Food Protection·Aivars BērziņšHannu Korkeala
May 13, 2018·Foods·Andiara Gonçalves-TenórioUrsula Gonzales-Barron
Jan 24, 2018·EFSA Journal·UNKNOWN EFSA Panel on Biological Hazards (BIOHAZ)Roland Lindqvist
Feb 11, 2014·Journal of Food Science·Emmanouil LiandrisJohn Ikonomopoulos
Oct 6, 2017·Journal of Food Protection·Lucia RivasMarion Castle
Jun 15, 2007·Applied and Environmental Microbiology·Konstantinos Koutsoumanis, Apostolos S Angelidis
Jul 23, 2013·International Journal of Environmental Health Research·Richard James MeldrumPaul Ellis

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