High Pressure Processing of Foods 2007
DOI: 10.1002/9780470376409.ch6
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The Quasi‐Chemical and Weibull Distribution Models of Nonlinear Inactivation Kinetics ofEscherichia ColiATCC 11229 by High Pressure Processing

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Cited by 13 publications
(13 citation statements)
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“…The coefficient b can be considered as a "rate parameter" while the exponent n is a measure of the shape of the isothermal and of the isobaric semi-logarithmic survival curve (Doona et al 2007). While simple, this model can describe downward concave survival curves (n>1) when damage accumulating in the survivors sensitizes them to further injury or inactivation.…”
Section: Nonlinear Microbial Inactivation Kinetics Modelsmentioning
confidence: 99%
“…The coefficient b can be considered as a "rate parameter" while the exponent n is a measure of the shape of the isothermal and of the isobaric semi-logarithmic survival curve (Doona et al 2007). While simple, this model can describe downward concave survival curves (n>1) when damage accumulating in the survivors sensitizes them to further injury or inactivation.…”
Section: Nonlinear Microbial Inactivation Kinetics Modelsmentioning
confidence: 99%
“…The Weibullian model has been used recently to characterize microbial inactivation obtained using novel technologies mainly, but not limited to, high hydrostatic pressure (Chen, 2007;Chen & Hoover, 2003Doona et al, 2007;González, Skandamis, & Hänninen, 2009;Guan et al, 2005;Koseki & Yamamoto, 2007), pulsed electric fields (Álvarez, Pagán, Condón, & Raso, 2003;Álvarez, Raso, Sala, & Condón, 2003;Fox, 2007;Gómez et al, 2005;Lebovka & Vorobiev, 2004;Pina Pérez, Rodrigo Aliaga, Ferrer Bernat, Rodrigo Enguidanos, & Martínez López, 2007;Puértolas, López, Condón, Raso, & Álvarez, 2009) and dense phase carbon dioxide (Corradini & Peleg, in press). In Figs.…”
Section: Applicability Of the Weibullian Modelmentioning
confidence: 98%
“…It should be pointed out that microbial survival data obtained during high pressure processing have already been characterized using a probabilistic model; the quasi chemical model developed by researchers at the U.S. Army Natick Research & Development Center (Doona, Feeherry, Ross, Corradini, & Peleg, 2007). Although the applicability of this kind of models has not yet been tested on Salmonella populations there is no indication that it cannot adequately describe a reduction in this population during a high hydrostatic treatment.…”
Section: High Hydrostatic Pressure (Hhp)mentioning
confidence: 98%
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“…Most of the survival curves in highpressure processing show typical upward (tailings) and downward concavities (shoulders), a clear signal of a mixed microbial population, nonuniform transfer of pressure into the product, different sensitivities of the microorganisms, among other data. Some of the classical models used to fit data from HHP and PATS survivors are the loglogistic, modified Gompertz, Baranyi, Weibull, Ratkowsky's square root model, and quasi-chemical kinetics model (Table 3; [25,89,96]. The most used model to describe microbial inactivation under high pressure has been indeed the one based on the Weibull equation [15-17, 31, 32, 49].…”
Section: Mathematics Of High Pressurementioning
confidence: 99%