Medium 3 (Penassay Broth) – 250g for Antibiotic Potency Testing
Medium 3 (Penassay Broth) is a specialized liquid medium designed for determining antibiotic potency using microbiological methods. This 250g bottle provides a high-quality formulation optimized to support the growth of microorganisms involved in antibiotic potency testing, making it a reliable tool for pharmaceutical and laboratory applications.
Key Features
Primary Use: Specifically formulated for the microbiological determination of antibiotic potency.
Formula (per liter): Contains Peptone (5.0g), Yeast Extract (1.5g), Beef Extract (1.5g), Sodium Chloride (3.5g), Dextrose (1.0g), Dibasic Potassium Phosphate (3.68g), and Monobasic Potassium Phosphate (1.32g), with a pH of 7.0±0.05 at 25°C.
Storage: Stable at room temperature with a 3-year shelf life, ensuring consistent performance over time.
Preparation Instructions
Dissolve 17.5g of the medium in 1L of distilled or deionized water by heating to a boil until fully dissolved.
Dispense into containers and sterilize at 121°C under high pressure for 15 minutes or 115°C for 30 minutes.
Cool the medium before use.
This Medium 3 is ideal for laboratories and facilities requiring accurate antibiotic potency determination through microbiological assays.
