Bismuth Sulfite Agar (250g) – Salmonella Selective Isolation Medium
Overview
Bismuth Sulfite Agar (BS Agar) is a specialized medium designed for the selective isolation of Salmonella species. This 250g package provides a high-quality formulation optimized to support the growth of Salmonella while inhibiting other microorganisms, making it an essential tool for microbiological testing and identification procedures.
Key Features
Primary Use: Specifically formulated for the selective isolation of Salmonella.
Formula (per liter): Contains Peptone (10.0g), Beef Extract (5.0g), Dextrose (5.0g), Ferrous Sulfate (0.3g), Disodium Hydrogen Phosphate (4.0g), Ammonium Bismuth Citrate (2.0g), Brilliant Green (0.025g), Sodium Sulfite (6.0g), and Agar (18.0g), with a pH of 7.5±0.2 at 25°C.
Storage: Stable at room temperature with a 3-year shelf life, ensuring consistent performance over time.
Preparation Instructions
Measure 5.03g of the medium and dissolve in 100ml of distilled or deionized water.
Stir, boil, and dissolve for 1 minute, then adjust to the final volume.
Cool to 50–55°C before pouring into plates.
For best results, prepare no more than 200ml at a time. Use overnight after preparation and consume within 3 days.
This Bismuth Sulfite Agar is designed to facilitate efficient Salmonella isolation, supporting accurate and reliable microbiological analysis in laboratory settings.
