Tag: Colony characteristics of Hektoen Enteric (HE) Agar

Hektoen Enteric (HE) Agar: Introduction, Composition, Principle, Procedure, Results Interpretation, Uses and Limitations

Hektoen Enteric (HE) Agar:Hektoen Enteric (HE) Agar developed in 1968 by Sylvia King and William I. Metzger in an effort to increase the recovery of Salmonella and Shigella species over the previously formulated Salmonella-Shigella (SS) Agar. This is also known as HEK and  HEA. This medium is particularly useful in the isolation of Shigella species. They formulated HE Agar medium while working at the Hektoen Institute in Chicago and became able to  increase the recovery Salmonella and Shigella from clinical specimens. It is also a selective and differential medium used for the isolation and differentiation of gram-negative enteric pathogens. Introduction of Hektoen Enteric (HE) Agar Hektoen enteric (HE) agar was...

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