BS ISO 16649-1:2018规定了一种通过菌落计数技术计数β-葡萄糖醛酸酶阳性大肠杆菌的水平方法，该方法在复苏后使用膜，并在44°C下在含有显色成分的固体培养基上培养，以检测β-葡萄糖醛酸酶[9][10][13][14][17][18][19]。适用于供人类食用的产品、用于喂养动物的产品、食品生产和食品处理领域的环境样品，以及初级生产阶段的样品，如动物粪便、灰尘和拭子。 交叉引用:ISO 7218ISO 6887（所有部分）ISO 11133ISO 16649-3ISO 16649-2ISO/TS 17728ISO 18593ISO 17468ISO 17604ISO 13307ISO 707购买本文件时提供的所有当前修订版均包含在购买本文件中。

BS ISO 16649-1:2018 specifies a horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli by colony-count technique after resuscitation using membranes and incubation at 44 °C on a solid medium containing a chromogenic ingredient for detection of the enzyme β-glucuronidase[9][10][13][14][17][18][19][20].It is applicable toproducts intended for human consumption,products intended for feeding animals,environmental samples in the area of food production and food handling, andsamples from the primary production stage such as animal faeces, dust, and swabs.Cross References:ISO 7218ISO 6887 (all parts)ISO 11133ISO 16649-3ISO 16649-2ISO/TS 17728ISO 18593ISO 17468ISO 17604ISO 13307ISO 707All current amendments available at time of purchase are included with the purchase of this document.