ISO 20128:2006 奶制品-选定培养基中的假定乳酸杆菌嗜酸菌的列示 37 °C下的菌群统计技术

标准编号：ISO 20128:2006

中文名称：奶制品-选定培养基中的假定乳酸杆菌嗜酸菌的列示 37 °C下的菌群统计技术

英文名称：Milk products — Enumeration of presumptive Lactobacillus acidophilus on a selective medium — Colony-count technique at 37 degrees C

发布日期：2006-05

标准范围

This International Standard specifies a method for the enumeration of presumptive Lactobacillus acidophilusin milk products on a selective medium by using a colony-count technique at 37 °C.The method is applicable to fermented and non-fermented milks, milk powders and infant formulae wherepresumptive L. acidophilus is present and in combination with other lactic acid bacteria and bifidobacteria.The method is not applicable when the number of presumptive L. acidophilus is less than 104 CFU/g and thenumbers of Lactobacillus rhamnosus, Lactobacillus reuteri and Lactobacillus paracasei subsp. paracasei are greater than 106 CFU/g.

标准预览图