Microbiological Criteria and Food Safety
2025
Böhnlein, Christina | Hoffmann, Martina | Fiedler, Gregor | Franz, Charles | Kabisch, Jan
The technical guideline of the EU Reference Laboratory for Listeria monocytogenes (EURL) describes the implementation of challenge tests and the use of national data on temperature regimes of domestic refrigerators, in particular for foodstuffs that may favor the growth of Listeria monocytogenes. The findings of this study are based on representative data from consumer households, and thus for the first time provide reliable insights into actual temperature conditions of refrigerators in private households in Germany. Age of household members has an influence on measured and assumed optimal refrigerator temperatures with higher temperatures being found in households with elderly household members.
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