COMPASS® Enterococcus Agar

Peptones, yeast extract and Tween 80 stimulate the growth of enterococci.
Yeast extract is a source of complex vitamin B.
Sodium chloride maintains the osmotic pressure.

The choice of an incubation temperature at 44 °C, associated with an judicious mixture of inhibitors, allows the high selectivity of the media and the inhibition of contaminating microflora.

The X-β-glucoside insures the chromogenic revelation of the β-glucosidase activity of the enterococci. These colonies present a blue coloration after hydrolysis of the substrate (5-bromo-4-chloro-3-indolyl-β-D-glucoside).