Convenient Model To Describe the Combined Effects of Temperature and pH on Microbial Growth.

Applied and Environmental Microbiology
L RossoJ P Flandrois

Abstract

A new model in which the maximum microbial specific growth rate ((mu)(infmax)) is described as a function of pH and temperature is presented. The seven parameters of this model are the three cardinal pH parameters (the pH below which no growth occurs, the pH above which no growth occurs, and the pH at which the (mu)(infmax) is optimal), the three cardinal temperature parameters (the temperature below which no growth occurs, the temperature above which no growth occurs, and the temperature at which the (mu)(infmax) is optimal), and the specific growth rate at the optimum temperature and optimum pH. The model is a combination of the cardinal temperature model with inflection and the cardinal pH model (CPM). The CPM was compared with the models of Wijtzes et al. and Zwietering et al. by using previously published data sets. The models were compared on the basis of the usual criteria (simplicity, biological significance and minimum number of parameters, applicability, quality of fit, minimum structural correlations, and ease of initial parameter estimation), and our results justified the choice of the CPM. Our combined model was constructed by using the hypothesis that the temperature and pH effects on the (mu)(infmax) are independ...Continue Reading

References

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Citations

Jun 10, 2000·Journal of Applied Microbiology·S J van GerwenM H Zwietering
Feb 7, 2003·Applied and Environmental Microbiology·Frédéric Leroy, Luc De Vuyst
Mar 15, 2003·Risk Analysis : an Official Publication of the Society for Risk Analysis·Thomas Ross, Thomas Alexander McMeekin
Sep 30, 2004·Journal of Food Protection·F DevlieghereJ Debevere
Mar 25, 2005·Risk Analysis : an Official Publication of the Society for Risk Analysis·Michèle VialetteJeanne-Marie Membré
May 12, 2010·FEMS Microbiology Ecology·David Fernández-Calviño, Erland Bååth
Oct 10, 2012·Journal of Food Protection·Juan M Cevallos-CevallosAmarat H Simonne
Apr 1, 2020·Journal of Food Protection·Arianne MuscatVasilis P Valdramidis
Mar 24, 2004·Journal of Food Protection·Jeanne-Marie MembréChristine Chèné
Apr 12, 2012·Risk Analysis : an Official Publication of the Society for Risk Analysis·Régis PouillotJocelyne Rocourt
Oct 10, 2013·Applied Microbiology and Biotechnology·Thanet UritChristian Löser
Sep 17, 2013·Biological Trace Element Research·Simone PienizAdriano Brandelli
Oct 16, 2016·Applied Biochemistry and Biotechnology·Hao LuOtto D Simmons
Dec 6, 2016·Microorganisms·Bettencourt de J C MunangaChristian Mestres
Jan 1, 2017·Environmental Science and Pollution Research International·Ningning WangMengchang He
Jan 24, 2018·EFSA Journal·UNKNOWN EFSA Panel on Biological Hazards (BIOHAZ)Roland Lindqvist
Jun 9, 2006·Geochemical Transactions·Y Furukawa
Jan 5, 2006·Applied and Environmental Microbiology·Frederik VaningelgemLuc De Vuyst
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Aug 31, 2016·Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional·Manel MechmecheMoktar Hamdi

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