The survival of Listeria monocytogenes preinoculated into ice cream and mozzarella cheese prior to gamma-irradiation treatment was determined. Samples were maintained at -78°C and exposed to targeted doses of 2,4,8,16, and 32 kGy of gamma-irradiation. The calculated D values were 1.4 kGy for mozzarella cheese and 2.0 kGy for ice cream. The effective level of irradiation (12D) for inactivating L. monocytogenes was 16.8 kGy for mozzarella cheese and 24.4 kGy for ice cream.
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| http://dx.doi.org/10.4315/0362-028X-52.7.490 | DOI Listing |
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