Medium 4 (Yeast Beef Agar) – 250g for Antibiotic Potency Testing
Medium 4 (Yeast Beef Agar) is a specialized solid medium designed for determining antibiotic potency using microbiological methods. This 250g bottle offers a high-quality formulation that supports the growth of microorganisms involved in antibiotic potency testing, making it a dependable tool for pharmaceutical and laboratory settings.
Key Features
Primary Use: Specifically formulated for the microbiological determination of antibiotic potency.
Formula (per liter): Contains Peptone (6.0g), Yeast Extract (3.0g), Beef Extract (1.5g), Dextrose (1.0g), and Agar (15.0g), with a pH of 6.6±0.1 at 25°C.
Storage: Stable at room temperature with a 3-year shelf life, ensuring consistent performance over an extended period.
Preparation Instructions
Dissolve 26.5g 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.
After sterilization, shake well to prevent agar from settling at the bottom of the container. Cool and store for later use.
This Medium 4 is ideal for laboratories and facilities needing accurate antibiotic potency determination through microbiological assays.
