Application of chromogenic Escherichia coli medium in food inspection.

Objective To evaluate the detective efficacy of chromogenic Escherichia coli Agar(HKEA).Methods A new chromogenic medium HKEA prepared by our laboratory was compared with three chromogenic media FKTBX, FKEA and CHEA for detection of E.coli by thirteen reference strains, twelve samples in with E.coli were added, and fifteen samples collected.Results The sensitivity of chromogenic media HKEA, FKTBX, FKEA and CHEA were the same and the sensitivity of HKEA was higher than other three.Conclusion HKEA is as efficacious as other three imported chromogenic media in detection of E.coli.