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Prevalence and growth of Listeria monocytogenes in naturally contaminated cold‐smoked salmon
Author(s) -
Beaufort A.,
Rudelle S.,
GnanouBesse N.,
Toquin M.T.,
Kerouanton A.,
Bergis H.,
Salvat G.,
Cornu M.
Publication year - 2007
Publication title -
letters in applied microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.698
H-Index - 110
eISSN - 1472-765X
pISSN - 0266-8254
DOI - 10.1111/j.1472-765x.2006.02096.x
Subject(s) - listeria monocytogenes , contamination , biology , listeria , food science , food contaminant , microbiology and biotechnology , bacteria , ecology , genetics
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.