ISO 6611:1992
乳和乳制品 酵母和(或)霉菌菌落形成单元的菌落计数 25℃时的菌落计数技术

Milk and milk products; enumeration of colony-forming units of yeasts and/or moulds; colony-count technique at 25 C


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ISO 6611:1992

标准号
ISO 6611:1992
发布
1992年
发布单位
国际标准化组织
替代标准
ISO 6611:2004
当前最新
ISO 6611:2004
 
 
适用范围
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 “C The method Is applicable to ˙ˍ milk. liquid milk products, 】 dried milk, dried sweet whey, dried buttermilk, lactose, 7 cheese. — acid casein. lactic casein, rennet casein. — caseinate. acid whey powder. — butter, — trozen milk products (Including edible ices), — custard. desserts, fermented milk and cream. NOTE 1 This method is not suitable tor a ﹗arge number oi thermolahiie yeasts (in lresh cheese). In such cases the agar-surlace-plaung method ls preterred.

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