A more comprehensive way to assess product environments; the family Enterobacteriaceae is important in the food industry because it includes intestinal pathogens and important food spoilage agents.
Enterobacteriaceae testing has long been a convention in European food processing plants as a general indicator for sanitation and it is becoming more widely used globally. The Enterobacteriaceae is a family of bacteria, which includes coliforms such as E. coli, as well as important non-coliforms such as Salmonella, Shigella, and Yersinia.
The 3M Enterobacteriaceae Count Plate is a sample-ready culture medium system which contains modified Violet Red Bile Glucose (VRBG) nutrients, a cold-water-soluble gelling agent, and a tetrazolium indicator that facilitates colony enumeration.
On the plate, Enterobacteriaceae will appear as red colonies with yellow zones and/or red colonies with gas bubbles with or without yellow zones.