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S2Media™ Hektoen Enteric (HEK) Agar

S2Media™ Hektoen Enteric (HEK) Agar

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S2Media™ prepared Hektoen Enteric (HEK) Agar is a selective and differential medium used for the isolation of enteric pathogens. Compared to other enteric differentiating media commonly used, HEK Agar increased the isolation rate of Salmonella spp. and Shigella spp. This was accomplished by increasing the carbohydrate and peptone content of the medium in order to counteract the inhibitory effects of bile salts and indicators. King and Metzger successfully formulated a medium that slightly inhibited growth of Salmonella and Shigella, while inhibiting Gram-positive microorganisms.


Also known as:

  • HEX Agar

  • HEX Medium


👉 Finished product meets the following standards and references:

  • AOAC,

  • BAM,

  • CLSI,

  • EPA,

  • SMD,

  • SM-WW


🧫 Application Areas:

  • Clinical microbiology for the selective isolation and differentiation of enteric pathogens

  • Food safety and quality testing

  • Public health and epidemiological surveillance

  • Veterinary diagnostic microbiology


Equivalent or comparable item numbers:

  • G63,

  • B21366X,

  • 221366,

  • B21365X,

  • 221365,

  • R01480,

  • R01483,

  • EB-P3190,

  • P3190,

  • 50-948-808,

  • 5140S008

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