Investigation of contamination of food by food borne pathogens in markets in Haiyan county
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摘要: 目的了解浙江省海盐县市售食品中食源性致病菌污染状况。方法对海盐县6个主要的集贸市场和2个超市采集7大类13个食品品种601份，进行7类食源性致病菌检测。结果海盐县7大类13个品种601份食品中检出致病菌38株, 检出率为6.32%，其中沙门菌16株,副溶血性弧菌12株，金黄色葡萄球菌10株；生肉和水产品中致病菌检出率分别为12.94%和7.95%；16株沙门菌，除2株未分型外，另14株均为B群，分7个血清型，优势血清型为德尔卑沙门菌、印地安纳沙门菌、阿贡纳沙门菌。结论生肉和水产品是海盐县主要污染食品；沙门菌、金黄色葡萄球菌、副溶血性弧菌是该县食品中常见的污染菌；海盐县食品中沙门菌污染的血清型分布以德尔卑沙门菌为主，其次为印地安纳沙门菌、阿贡纳沙门菌。Abstract: ObjectiveTo investigate the current status of the contamination of food by food borne pathogens in the market in Haiyan county. MethodsA total of 601 food samples for 13 kinds of food in 7 classes were collected from 6 markets of farm produce and 2 supper markets to conduct pathogen detection. ResultsThirty eight strains of pathogens were detected from 601 food samples (6.32%). Including 16 strains of ISalmonella/I, 12 strains of IVibrio parahaemolyticus/I, 10 strains of IStaphylococcus aureus/I. The detection rates in raw meat and fishery products were 12.94% and 7.95% respectively. Of 16 strains of ISalmonella/I, 2 strains were not specified, the others belonged to serogroup B (7 serotypes). The predominating strains were ISalmonella derby, Salmonella indiana, Salmonella agona/I. ConclusionThe raw meat and fishery product were the main contaminated foods; the common pathogens to cause food contamination included ISalmonella, Staphylococcus aureus/I and IVibrio parahemolyticu;/I and the food contamination of ISalmonella/I was mainly caused by ISalmonella derby,/I followed by ISalmonella indiana/I, ISalmonella agona/I in Haiyan county.
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Key words:
- food /
- food borne pathogen /
- distribution /
- research
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