InTray™ Colorex™ ESBL (ESBL)


Colorex™ ESBL Agar is a selective and differential chromogenic medium, containing an extended-spectrum beta-lactam selective agent, intended for use as a plating technique to obtain a pure culture of Enterobacteriaceae that produce extended-spectrum beta-lactamase (ESBL). The test can be performed with samples of composed of mixed populations of bacteria, e.g stool, biological fluids, surface streaks, etc. The InTray™ Colorex™ ESBL inhibits the growth of yeasts, mold, fungi, and non-ESBL bacteria.

Visual Results - ESBL Producing Strains:

  • E. coli - Red
  • Klebsiella, Enterobacter and Citrobacter – Metallic blue
  • Proteus – Brown halo
  • Non-ESBL producing strains – Inhibited
Detects Extended Spectrum Beta-Lactamase producing gram-negative bacteria
storage Refrigeration (2-8°C)
incubation 18-24 hours at 37°C


Please Call (800) 964-6466 for pricing

quantity 5 Pack 20 Pack
code 10-7307 10-7301


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