Perfringens (OPSP) Selective Supplement A 1 x 10 Vials

Oxoid Perfringens OPSP Selective Supplement A is for selective isolation of Clostridium perfringens from food.

• Add to Perfringens Agar Base, OPSP, Part No. CM0543B
• For 500mL of medium

Perfringens OPSP Selective Supplement A, Oxoid Composition

Perfringens OPSP Agar, Oxoid Preparation:
Suspend 22.8g in 500ml of distilled water and bring gently to the boil to dissolve completely. Sterilise by autoclaving at 121°C for 15 minutes. Allow to cool to 50°C and aseptically add the contents of one vial each of Perfringens Agar (OPSP) supplements A and B (SR0076 and SR0077) which have been rehydrated as directed. Mix well and pour into sterile dishes.

Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared medium at 2-8°C.