Modelling the growth kinetics of Listeria as a function of temperature, pH and organic acid concentration

The combined effects of temperature, pH and organic acids (lactic, acetic and propionic) on the growth kinetics of Listeria innocua ATCC 33090 were studied. First, a multiplicative model was built assuming independent effects of all environmental factors. Thus, the model was expanded by the inclusio...

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Bibliographic Details
Published in:International journal of food microbiology 2002-03, Vol.73 (2), p.219-237
Main Authors: Le Marc, Y., Huchet, V., Bourgeois, C.M., Guyonnet, J.P., Mafart, P., Thuault, D.
Format: Article
Language:English
Subjects:
Acetic Acid - pharmacology
Biological and medical sciences
Food industries
Food Microbiology
Fundamental and applied biological sciences. Psychology
Growth/no growth interface
Hydrogen-Ion Concentration
Lactic Acid - pharmacology
Listeria - growth & development
Listeria monocytogenes
Listeria monocytogenes - growth & development
Models, Biological
Organic acid
Predictive model
Propionates - pharmacology
Temperature
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Summary:The combined effects of temperature, pH and organic acids (lactic, acetic and propionic) on the growth kinetics of Listeria innocua ATCC 33090 were studied. First, a multiplicative model was built assuming independent effects of all environmental factors. Thus, the model was expanded by the inclusion of a novel term describing the effects of interactions on the growth/no growth limits. The proposed approach allows an accurate description of the boundary between growth and no growth of Listeria.
ISSN:0168-1605
1879-3460
DOI:10.1016/S0168-1605(01)00640-7