Predictive model of the effect of CO2, pH, temperature and NaCl on the growth of Listeria monocytogenes

被引：95

作者：

Fernandez, PS ^{[1
]}

George, SM ^{[1
]}

Sills, CC ^{[1
]}

Peck, MW ^{[1
]}

机构：

[1] INST FOOD RES, NORWICH LAB, NORWICH NR4 7UA, NORFOLK, ENGLAND

来源：

INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY | 1997年 / 37卷 / 01期

关键词：

Listeria monocytogenes; predictive modelling; food safety; CO2; NaCl; pH; temperature;

D O I：

10.1016/S0168-1605(97)00043-3

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The growth responses of L. monocytogenes as affected by CO2 concentration (0-100% v/v, balance nitrogen), NaCl concentration (0.5-8.0% w/v), pH (4.5-7.0) and temperature (4-20 degrees C) were studied in laboratory medium. Growth curves were fitted using the model of Baranyi and Roberts, and specific growth rates derived from the curve fit were modelled. Predictions for specific growth rate, doubling time and time to a 1000-fold increase could be made for any combination of conditions within the matrix. Predictions of growth from the model were compared with published data and this showed the model to be suitable far predicting growth of L. monocytogenes in a range of foods packaged under a modified atmosphere. (C) 1997 Elsevier Science B.V.

引用

页码：37 / 45

页数：9

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