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Chameleon™ COLOREX™ Staph aureus

Chameleon™ COLOREX™ Staph aureus

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CHROMagar™ Staph aureus prepared culture media plates by S²Media are manufactured using original CHROMagar™ raw materials. This selective and differential chromogenic medium is intended for the direct detection, differentiation, and presumptive identification of Staphylococcus aureus from clinical specimens (tegument, wound, soft tissue swabs, etc.), as well as food products, animal feed, and environmental samples. Following 18-24 hours of aerobic incubation at 35-37°C, the medium provides characteristic chromogenic differentiation to support rapid screening for S. aureus colonization or contamination. Suspect isolates require confirmatory identification and, where appropriate, antimicrobial susceptibility testing, or epidemiological typing.


👉 Key Performance Features:

  • Rapid Detection: Detects presumptive Staphylococcus aureus within 24 hours, reducing turnaround time compared to conventional media.

  • Chromogenic Differentiation: S. aureus produces distinctive mauve colonies, enabling rapid recognition and simplified interpretation compared with Blood Agar and Mannitol Salt Agar.

  • High Performance: Demonstrates 95.5–100% sensitivity and 99.4–100% specificity in published analytical and clinical evaluations.

  • Supplement-Free Formulation: Ready-to-use formulation contains all required selective and chromogenic components, eliminating the need for Rabbit Plasma Fibrinogen (RPF) supplementation and extending media stability.

  • Improved Laboratory Efficiency: Reduces confirmatory testing and streamlines workflow through rapid, high-specificity presumptive identification of S. aureus.


👉 Finished product meets the following standards and references:

  • AOAC


🧫 Application Areas:

  • Clinical microbiology for the selective detection and differentiation of Staphylococcus aureus

  • Food safety and quality testing

  • Veterinary diagnostic microbiology

  • Pharmaceutical and compounding microbiology

  • Cosmetics and personal care microbiology

  • Environmental monitoring and microbial surveillance

  • Public health and epidemiological surveillance


Equivalent or Comparable to Item Numbers:

  • 14-432-41,

  • 214982,

  • 23-001-750,

  • G311,

  • NC3865253,

  • 70-C00111,

  • 63748

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