標準號：ISO 11866-2-2005
中文標準名稱：乳和乳制品.推定大腸桿菌的菌落計數.第2部分:在44℃時利用膜片(進行的)菌落計數技術
英文標準名稱：Milk and milk products - Enumeration of presumptive Escherichia coli - Part 2: Colony-count technique at 44 °C using membranes
標準類型：X16
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：X16
國際標準分類號：07.100.30;67.100.01
適用范圍：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.