1001 Iso-Sensitest Agar, Condalab

The formulation of Iso-Sensitest Agar is meticulously balanced to minimize the interference of antagonistic components that can affect antibiotic activity. It contains a specialized Peptone Mixture and Casein Hydrolysate to provide a stable source of nitrogen and amino acids. Glucose serves as the primary energy source, while a complex blend of Vitamins and Growth Factors (including Pyridoxine, Thiamine, and Riboflavin) ensures the growth of a wide range of bacteria. To ensure accurate results for sulfonamides and trimethoprim, the levels of Thymine and Thymidine are strictly controlled and kept at a minimum. The medium is also stabilized with a robust mineral and salt profile (including Magnesium Sulfate and Sodium Chloride) to maintain osmotic balance and provide the necessary ions for bacterial metabolism.

Advantages

• High Reproducibility: The semi-defined nature of the medium reduces batch-to-batch variation, leading to more consistent zones of inhibition.
• Antagonist-Free: Low levels of para-aminobenzoic acid (PABA) and thymine ensure the high sensitivity of sulfonamide and trimethoprim testing.
• Universal Growth: Supports the growth of the majority of common clinical pathogens, including Enterobacteriaceae, Staphylococci, and Enterococci.
• Optimized for AST: The mineral content is carefully adjusted to prevent the interference of divalent cations (Ca²⁺ and Mg²⁺) with aminoglycoside and tetracycline activity.
• Clarity: The medium is exceptionally clear, making the measurement of inhibition zones simple and accurate.

Technical specifications

Available packaging options