辽宁省食品中单增李斯特菌监测分析  

Contamination of Listeria monocytogenes in foods in Liaoning province,2010-2014

作　　者：文涛[1] 王文思[1] 孙葳[1] 李雪[1] 

机构地区：[1]辽宁省疾病预防控制中心,沈阳110005

出　　处：《中国公共卫生》2015年第11期1475-1477,共3页Chinese Journal of Public Health

基　　金：辽宁省科学技术计划项目(2008215002)

摘　　要：目的了解辽宁省各地区市售食品中单核细胞增生李斯特致病菌的污染现状及分布特征,为单核细胞增生李斯特菌的防控工作提供依据。方法辽宁省14个城市全部纳入检测范围,2010—2014年对六类食品进行采样,并对单核细胞增生李斯特菌进行分离和鉴定。结果六类5 822份食品样品中,检出单核细胞增生李斯特菌109株,阳性率为1.87%;其中生畜禽肉阳性检出率为8.88%,水产品为2.02%,熟肉制品为1.22%,速冻米面食品为0.65%,餐饮食品为0.93%,豆制品均为阴性;2010—2014年单增李斯特菌的阳性检出率依次为1.38%、0.67%、1.44%、1.29%、4.82%,年均检出率基本保持平稳;受单核细胞增生李斯特菌污染较为严重的食品为生畜禽肉(8.88%)、水产品(2.02%)、熟肉制品(1.22%)。结论辽宁省各类食品均不同程度受到单核细胞增生李斯特菌污染,尤以生畜禽肉、熟肉制品、水产品污染严重。Objective To investigate the status and distribution of food contamination of Listeria monocytogenes （Lm） in foods in Liaoning province and to provide evidences for the prevention and control of food Lm contamination. Methods All municipalities（14） of Liaoning province were included in the study. Six kinds of food samples were collected for isolation and identification of Lm from 2010 to 2013. Results Lm was isolated from 55 of the 4 701 food samples, with an overall positive rate of 1.17 %. The Lm positive rates were 4. 66% for uncooked meat, 1.22% for cooked meat,1.05% for aquatic products,0. 65% for quick-frozen rice and flour foods,and 0. 91% for food samples served in catering facilities, respectively. The yearly Lm positive rates were 1.38 % ,0. 67 %, 1.44 %, and 1.29 %, respectively, from 2010 to 2013, with a stable variation. Conclusion There was food contamination and higher detection rate of Lm for un-cooked and cooked meat and aquatic products in Liaoning province.

关 键 词：单核细胞增生李斯特菌 食物污染 食品监测 

分 类 号：R155.31[医药卫生—营养与食品卫生学]