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Biological variability and exposure assessment.

Abstract：

:Predictive models are now commonly used for exposure assessment, with growth parameters defined for each microbial species. In this study, we tried to take into account microbial growth variability among strains of a single species. Bacillus cereus in pasteurized milk was chosen to illustrate the influence of the biological variability on the outcome of exposure assessment. Each parameter of the exposure assessment (growth parameters, shelf-life conditions) was characterized by a probability distribution describing variability and/or uncertainty. The impact of the intra-species variability on the result of the exposure assessment was then quantified and discussed. Two simple domestic shelf life conditions were tested. The results confirm that the biological variability has a great impact on the accuracy of the result and should not be systematically neglected.

journal_name

Int J Food Microbiol

journal_title

International journal of food microbiology

authors

Delignette-Muller ML,Rosso L

doi

10.1016/s0168-1605(00)00274-9

subject

Has Abstract

pub_date

2000-07-15 00:00:00

pages

203-12

issue

3

eissn

0168-1605

issn

1879-3460

pii

S0168160500002749

journal_volume

58

pub_type

杂志文章

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