Prevalence and growth of Listeria monocytogenes in naturally contaminated cold-smoked salmon

被引：56

作者：

Beaufort, A.

Rudelle, S.

Gnanou-Besse, N.

Toquin, M. T.

Kerouanton, A.

Bergis, H.

Salvat, G.

Cornu, M.

机构：

[1] French Food Safety Agcy, LERQAP, F-94706 Maisons Alfort, France

[2] French Food Safety Agcy, LERAP, Ploufragan, France

来源：

LETTERS IN APPLIED MICROBIOLOGY | 2007年 / 44卷 / 04期

关键词：

cold-smoked salmon; contamination levels; growth; Listeria monocytogenes; prevalence;

D O I：

10.1111/j.1472-765X.2006.02096.x

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

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.

引用

收藏

页码：406 / 411

页数：6

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