Prevalence and growth of Listeria monocytogenes in naturally contaminated cold‐smoked salmon
2007
Aim: To investigate Listeria monocytogenes contamination and behaviour in naturally contaminated French cold-smoked salmon (CSS).
Method and Results: Between 2001 and 2004, L. monocytogenes was detected in 104 of 1010 CSS packs, produced by nine French plants, with different prevalence (from 0% to 41%). The initial contamination, measured with a sensitive filtration method, was low (92% of contaminated products below 1 CFU g−1) and growth was limited.
Conclusion: Growth was consistent with results of a predictive model including microbial competition.
Significance and Impact of the study: To be included in a quantitative risk assessment.
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