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Modeling the response of Listeria monocytogenes at various storage temperatures in pork with/without electrolyzed water treatment

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Abstract

The objective of this study was to develop a model of the growth of Listeria monocytogenes in pork untreated or treated with low concentration electrolyzed water (LcEW) and strong acid electrolyzed water (SAEW), as a function of temperature. The experimental data obtained under different temperatures (4, 10, 15, 20, 25, and 30°C) were fitted into the modified Gompertz model to generate the growth parameters including specific growth rate (SGR) and lag time (LT) with high coefficients of determination (R2 >0.97). The obtained SGR and LT were employed to develop square root models to evaluate the effects of storage temperature on the growth kinetics of L. monocytogenes in pork. The values of bias factor (0.924–1.009) and accuracy factor (1.105–1.186), which were regarded as acceptable, demonstrated that the obtained models could provide good and reliable predictions and be suitable for the purpose of microbiological risk assessment of L. monocytogenes in pork.

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Correspondence to Deog-Hwan Oh.

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Wang, J., Rahman, S.M.E., Park, MS. et al. Modeling the response of Listeria monocytogenes at various storage temperatures in pork with/without electrolyzed water treatment. Food Sci Biotechnol 21, 1549–1555 (2012). https://doi.org/10.1007/s10068-012-0206-y

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  • DOI: https://doi.org/10.1007/s10068-012-0206-y

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