This standard specifies the general rules for microbiological examination of food hygiene. This standard applies to the sampling of various food samples.
GB/T 4789.1-2003 history
2016GB 4789.41-2016 National Food Safety Standard Food Microbiology Test Enterobacteriaceae Test
2014GB 4789.11-2014 National food safety standard food microbiological examination β-hemolytic streptococcus test
2013GB 4789.31-2013 Enterobacteriaceae phage diagnostic test for Salmonella, Shigella and diarrheagenic Escherichia coli in food microbiology testing
2003GB/T 4789.31-2003 Microbiological examination of food hygiene Examination of salmonellae,shigellae,and diarrhoea causative Escherichia coli by means of the diagnostic typing phage set for enterobacteriaceae
1994GB 4789.31-1994 Enterobacteriaceae Phage Test Method for Salmonella, Shigella and Diarrheagenic Escherichia coli in Food Hygiene Microbiology