Hektoen Enteric Agar Author: Multiple Authors

Hektoen Enteric Agar Author: Multiple Authors
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Hektoen Enteric Agar Author: Multiple Authors Citation: Multiple Authors. 2010. Hektoen enteric agar. Publication Date: November 2010 Salmonella enterica on Hektoen Enteric Agar Salmonella enterica on Hektoen enteric agar. Note the black

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Hektoen Enteric Agar Author: Multiple Authors
Citation: Multiple Authors. 2010. Hektoen enteric agar.
Publication Date: November 2010<br>
02
Salmonella enterica on Hektoen Enteric Agar

Salmonella enterica on Hektoen enteric agar. Note the black center of the transparent colonies, indicating H2S production in the absence of carbohydrate fermentation.  All serotypes of Salmonella have this appearance on Hektoen enteric agar except for serotype Typhi, which is a weak H2S producer. (Jan Hudzicki, University of Kansas Medical Center, Kansas City, KS) American Society For Microbiology ©<br>
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Shigella flexneri on Hektoen Enteric Agar

Shigella
flexneri on Hektoen enteric agar. Note the transparent colonies, indicating the absence of carbohydrate fermentation.  The lack of black colonies indicates no H2S production.  All species of Shigella have this appearance on Hektoen enteric agar. (Jan Hudzicki, University of Kansas Medical Center, Kansas City, KS) American Society For Microbiology ©<br>