Abstract： Objective To understand the contamination by Listeria monocytogenes in commercial food in Changping District, Beijing City and then provide technical support for effective supervision of governmental departments. Methods Totally, 368 foods of 12 categories were sampled from farmers' markets, supermarkets/convenience stores and restaurants for Listeria monocytogenes test from 2010 to 2015. Results Sixteen strains of Listeria monocytogenes were detected in the 368 food samples. The total detection rate was 4.35%, with the highest detection rate (25.71%) in raw poultry, followed by those in raw livestock meat (11.11%) and in frozen aquatic products (6.67%). The samples colleceted in the third quarter of the year had the highest detection rate (7.41%), followed by those in the second quarter (4.11%). No Listeria monocytogenes were detected in the samples collected in the first and fourth quarters. The detection rates in the farmers' markets, supermarkets/convenience stores and restraints were 4.85%, 4.11% and 4.20% respectively. Conclusions There was contamination by Listeria monocytogenes in raw poultry, raw livestock meat and frozen aquatic products in Changping District of Beijing in 2010-2015. It was particularly prominent in the third quarter.
芦丹, 刘国蓉, 李宏通, 舒高林, 刘毅, 牛桓彩. 北京市昌平区2010-2015年市售食品中单核细胞增生李斯特菌污染状况分析[J]. 实用预防医学, 2018, 25(3): 264-266.
LU Dan, LIU Guo-rong, LI Hong-tong, SHU Gao-lin, LIU Yi, NIU Huan-cai. Contamination by Listeria monocytogenes in commercially available food in Changping District, 2010-2015. , 2018, 25(3): 264-266.
2018, Vol. 25 
