AOAC | NordVal | MicroVal
Enterobacteriaceae is a family under the Gram-negative bacteria with known characteristic of being facultative anaerobe, non-spore former, and commonly motile but non-motile genera are also present. Enterobacteriaceae is commonly found in the environment as well as the gut of animals. Almost all foodborne pathogenic bacteria fall under this family including Citrobacter, Enterobacter, Escherichia, Klebsiella, Proteus, Salmonella, Serratia, Shigella and Yersinia. Enterobacteriaceae is release parameter in various food, beverages, pharmaceutical, nutraceutical, and cosmetic samples. As a recent development in food safety, Enterobacter sakazakii is being monitored in formula milk due to high risk of milk contamination, as well as its health impact when ingested by babies.
Red or purple colonies and otherwise colored colonies
Colonies grown on ETB plate are distinguished by red/purple color for Enterobacteriaceae.
Medium contains selective agent and pH indicator, glucose for detecting Glucose fermenting bacteria.
- 37±1°C, 24±2 hours