HiCromeâ„¢ EC O157:H7 HiCynthâ„¢ Agar Base, Modified 100G

This medium is recommended for selective isolation and easy detection of Escherichia coli O157:H7 from food and clinical samples. The chromogenic substrate is specifically and selectively cleaved by Escherichia coli O157: H7 resulting in a dark purple to magenta coloured moiety. Escherichia coli forms bluish green coloured colonies.