标准编号：ISO 11866-2:2005
中文名称：乳和乳制品 推测大肠杆菌的菌落计数 第2部分：采用隔膜在44度下进行的菌群数检测技术
英文名称：Milk and milk products — Enumeration of presumptive Escherichia coli — Part 2: Colony-count technique at 44 degrees C using membranes
发布日期：2005-12
标准范围
This part of ISO 11866|IDF 170 specifies a method for the enumeration of presumptive Escherichia coli bymeans of a colony-count technique at 44 °C.The method is applicable to-- milk, liquid milk products,-- dried milk, dried sweet whey, dried buttermilk, lactose,-- acid casein, lactic casein and rennet casein,-- caseinate and dried acid whey,-- cheese and processed cheese,-- butter,-- frozen milk products (including edible ices), and-- custard, desserts and cream.The method specified in this part of ISO 11866|IDF 170 is the preferred method for samples in whichcomparatively large numbers of presumptive Escherichia coli (more than 100 per gram or 10 per millilitre) aresuspected.
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