Listeria monocytogenes isolation from food in Hungary

For the sake of the prevention of listeriosis spreading via food, the authors performed examinations of such foods which might be contaminated by Listeria. Out of 326 samples, coming from food shops and restaurants in Budapest, 12% proved to be contaminated by Listeria monocytogenes. The identification of the isolated strains were performed - after 4 and 24 h incubation at 37 degrees C with rapid API 20 STREP, API 20 STREP and API CORYNE - with the use of ATB EXPRESSION microbiological automate. Among the food products investigated 39.1% of raw meat products, 15.2% of heat-treated meat products, 13.6% of confectioner's and sweets industrial products, 5.5% of buffet meals and 3% of milk products proved to be positive.