Description

Hektoen Enteric (HE) Agar is a modrately selective medium used in qualitative procedures for the isolation and cultivation of gram-negative enteric microorganisms, especially Shigella, from a variety of clinical and nonclinical specimens.

HE Agar is currently recommended as one of several plating media for the culture of Enterobacteriaceae from stool specimens.  Foods containing poultry, eggs or dairy products are the most frequent vehicles for foodborne salmonellosis, and a variety of procedures have been developed using Hektoen Enteric Agar as part of the multi-step procedure to isolate Salmonella.