ISO 11866-2-2005 乳和乳制品.推定大肠杆菌的菌落计数.第2部分:在44℃时利用膜片(进行的)菌落计数技术

标准号：ISO 11866-2-2005
中文标准名称：乳和乳制品.推定大肠杆菌的菌落计数.第2部分:在44℃时利用膜片(进行的)菌落计数技术
英文标准名称：Milk and milk products - Enumeration of presumptive Escherichia coli - Part 2: Colony-count technique at 44 °C using membranes
标准类型：X16
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：X16
国际标准分类号：07.100.30;67.100.01
适用范围：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.