奶粉中病原菌质控考核结果分析

Analysis of quality-control assessment results of foodborne pathogenic bacteria

中文关键词:  分离鉴定  痢疾志贺氏菌  金黄色葡萄球菌  生物学现象

英文关键词:separate  Shigella dysentery  Staphylococcus aureus  biological phenomenon

中文摘要:

      目的 对质控考核样品进行检测, 分离鉴定肠杆菌科志贺氏菌属A群痢疾志贺氏菌和金黄色葡萄球菌, 并分析其中特别的生物学现象。方法 按照《食品安全国家标准 食品微生物学检验 (GB 4789.5-2012)》对考核检样进行检测。结果 分离出宋内志贺氏菌而未分离出金黄色葡萄球菌, 并在检验过程中观察到特别的生物学现象。结论 志贺氏菌在志贺氏菌属显色培养基上并非显示一样颜色, 有白色菌落周围培养基显示紫红色,也有黄色菌落周围培养基显示黄色。

英文摘要:

      Objective To separate Shigella dysenteriae and Staphylococcus aureus from quality-control samples, and analyze their biological phenomenon. Methods Samples were detected according to the National Standards for Food Safety: Microbiology Examination for Foods, GB4789.5-2012. Results Shigella dy-sentery rather than Staphylococcus aureus was isolated, and unusual biological phenomenons were observed during detection. Conclusion Shigella was not always in purple on the medium of Shigella, and special Shigella showed white or yellow in color sometimes.