This standard replaces GB 4789.35-2010 “National food safety standard Food microbiological examination： Examination of Lactic acid bacteria”, SN/T 1941.1-2017 “Detection of lactic acid bacteria in food for import and export-Part 1: Isolation and enumeration method”.

Compared with GB 4789.35-2010, major changes of this standard are as follows:

——the incubation condition selection and result illustration of total lactic acid bacteria count enumeration have been added;

——the “Modified MRS medium components” has been revised;

——the inoculation method and inoculation amount of plate count has been revised.