The Listeria Monocytogenes Bacteria Pollution Survey of Hohhot Food

Objective The purpose of the investigation was to provide scientific basis for food safety study and prevention of food-borne diseases by study on Listeria monocytogenes contamination of foods in Huhhot.Methods The LB method was used in the research.420 samples were tested in the investigation,6 were positive for L.monocytogenes,and the total detective rate was 1.43%.Results The L.monocytogenes detective rate of raw meat,raw poultry,Chinese salad,non-fermented soy products,were 5.26%,6.67%,6.67%.The L.monocytogenes detectable rate of raw meat,raw poultry,Chinese salad, non-fermented soy products are higher than the national average.Other food were positive for L.monocytogenes.Conclusion The results demonstrated that L. monocytogene contamination was in different kinds of foods in Huhhot.And there was a potential risk of food-born disease by L.monocytogenes.So it was necessary to strengthen local sanitary supervision,to investigate food contamination source,and to enhance public consciousness of food storage and processing hygiene.