標準號：BS ISO 6611-2004
中文標準名稱：乳和乳制品.酵母和(或)霉菌菌落形成單位的計數(shù).25℃時的菌落計數(shù)技術
英文標準名稱：Milk and milk products - Enumeration of colony-forming units of yeasts and/or moulds - Colony-count technique at 25 °C
標準類型：X16
發(fā)布日期：2004/11/1 12:00:00
實施日期：2004/11/1 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 International Standard specifies a method for the detection and enumeration of colony-forming units (CFU) of viable yeasts and/or moulds in milk and milk products by means of the colony-count technique at 25 ℃. The method is applicable to — milk, liquid milk products, — dried milk, dried sweet whey, dried buttermilk, lactose, — cheese, — acid casein, lactic casein, rennet casein, — caseinate, acid whey powder, — butter, — frozen milk products (including edible ices), — custard, desserts, fermented milk and cream. NOTE This method is not suitable for a large number of thermolabile yeasts (in fresh cheese). In such cases the agar-surface-plating method is preferred.