A taxonomically defined family, Enterobacteriaceae, is comprised of several genera of bacteria including: Citrobacter, Enterobacter, Erwinia, Escherichia, Klebsiella, Proteus, Salmonella, Shigella, and Yersinia. This group has been used for years in Europe as indicators of food quality and as indices of food safety. The practice is also being adopted in the United States.
50g minimum sample is recommended. Environmental surface samples can also be analyzed.
EMSL Test Code: F111 (Petrifilm AOAC 2003.01), F196 (CMMEF 5th Ed. Ch. 9)
Sample retention time – 30 days, unless highly perishable