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大肠菌群主要来源于人、畜、粪便。食品中检出大肠菌群表明已受粪便污染，大肠菌群是评价食品卫生质量的主要指标。为了解本市食品中入肠菌群的类型，我们将近几年从食品中检出的呼株菌作了分类，现将结果报告如下：1材料与方法1．1培养基：伊红美兰琼脂系上海巾化学检验所出品
Coliform bacteria mainly come from people, livestock, feces. The detection of coliform in food indicates that it has been contaminated by faecal coliform which is the main index to evaluate the quality of food hygiene. In order to understand the type of enteric bacteria in the city’s foodstuffs, we classify the strains of vibrio that have been detected from foodstuffs in recent years. The results are reported as follows: 1 Materials and methods 1.1 Medium: Agar Shanghai towel chemical test produced