Biocontrol Science
Online ISSN : 1884-0205
Print ISSN : 1342-4815
ISSN-L : 1342-4815
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Prediction of Salmonella Enteritidis Growth in Pasteurized and Unpasteurized Liquid Egg Products with a Growth Model
MOHAMMAD ZAHER SAKHAHIROSHI FUJIKAWA
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2013 Volume 18 Issue 2 Pages 89-93

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Abstract

Growth prediction of a four-strain cocktail of Salmonella Enteritidis in commercial products of pasteurized and unpasteurized liquid whole egg was studied with the new logistic model that we developed. The growth data of the pathogen in the liquid egg products at constant temperatures in our recent study (Sakha and Fujikawa, Biocont. Sci., 2012) were used for prediction. With estimated values of the parameters in the model, it successfully predicted the Salmonella growth in the liquid egg products at dynamic temperature conditions in the high and low ranges. The Baranyi model, which is well known worldwide, could predict Salmonella growth in the pasteurized product at the dynamic temperature conditions in the high range only. This study would be, in our knowledge, the first report on the prediction of Salmonella growth in both pasteurized and unpasteurized liquid egg products at dynamic temperature conditions with a mathematical model.

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© 2013 The Society for Antibacterial and Antifungal Agents, Japan
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