How enterotube can be used in identification of E coli?

Enterotubes are a multi-test system used for the rapid identification of Enterobacteriaceae, including Escherichia coli. This system contains multiple compartments with different media that test for various biochemical reactions, such as fermentation of sugars and production of gas or hydrogen sulfide. By inoculating the Enterotube with a bacterial sample and incubating it, the resulting color changes or gas production can be analyzed to determine the biochemical profile of the organism. Comparing this profile to known characteristics of E. coli allows for accurate identification.