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目的了解广西食品中沙门菌污染的现况,为食源性沙门菌污染的预防及控制提供依据。方法 2010-2011年从广西8个地级市的餐饮企业、集贸市场、卖场超市和街头摊贩采集各类食品样品,按照国标方法进行沙门菌检验。结果共检测3 108份食品样品,总检出率2.57%。检测的16类食品中,6类食品受到沙门菌不同程度的污染,生肉类检出率最高达22.59%(χ2=141.7,P<0.001);桂东部检出率最高达4.26%(χ2=17.964,P<0.05);集贸市场检出率最高达5.47%(χ2=55.493,P<0.001);散装食品检出率3.38%;病原学鉴定分属7个血清群或亚群、23个血清型。结论广西多种食品受到沙门菌不同程度污染,以生肉类污染最严重,且呈血清型多态性,应加强对生肉类屠宰、加工、运输、储存和销售各个环节的监测和管理。
Objective To understand the status of Salmonella contamination in foodstuffs in Guangxi and provide evidence for the prevention and control of foodborne Salmonella contamination. Methods From 2010 to 2011, various food samples were collected from catering enterprises, bazaars, hypermarkets and street vendors in eight prefecture-level cities in Guangxi. Salmonella tests were conducted according to the national standard method. Results A total of 3 108 food samples were tested with a total detection rate of 2.57%. Among the 16 tested foods, 6 kinds of foodstuffs were contaminated by Salmonella to different degrees. The detection rate of raw meat was up to 22.59% (χ2 = 141.7, P <0.001), while the detection rate of eastern Guangxi was up to 4.26% (χ2 = 17.964, P <0.05). The detection rate was up to 5.47% (χ2 = 55.493, P <0.001) in bazaars and 3.38% in bulk foods. The etiological identification belonged to 7 serogroups or subgroups, 23 Serotype. Conclusion Many kinds of food in Guangxi are polluted to different degrees by Salmonella. The most serious pollution of raw meat is serotype polymorphism. The monitoring and management of raw meat slaughtering, processing, transportation, storage and sale should be strengthened.