调味品中大肠菌群测定的几点注意事项

大肠菌群的国标检验法采用乳糖发酵法。本法测定食品中的大肠菌群适用范围广,准确度高。但是在乳糖发酵、分离培养和证实试验过程中,有些原理及实验现象需要引起注意。

Lactose fermentation is used to verify the existence of coliform bacteria in national criteria. The applicable sphere of this method is broad and the accuracy is high. But some principles and some experimental phenomenons need to be paid attention to during the course of lactose fermentation, separate cultivation and confirmatory test.