Alkaline Peptone Water is used for enrichment of Vibrio cholerae and Vibrio parahaemolyticus which proliferate mainly on the surface of the medium.

1. Preparation 

- Add 20 g of the dry medium to 1 L of distilled water, mix well and heat to dissolve. Distribute about 10 mL of the medium into test tubes and sterilise by autoclaving at 121 °C for 15 minutes.

- The medium is used for enrichment of Vibrio cholerae and Vibrio parahaemolyticus which grow mainly on the surface of the medium.

2. Remark

Incubate at 37 °C for 8 hours.

3. Formula

4. Information Alkaline Peptone Water 05206