Additive for the preparation of Cereus Selective Agar Base acc. to
MOSSEL, EMD Cat. No. 1.05267.0500.
Mode of Action
Bacillus cereus Selective Supplement contains Polymyxin B sulfate in lyophilized form.
It suppresses the growth of accompanying bacterial flora during culturing Bacillus cereus.
Experimental Procedure
The lyophilisate is dissolved in the original vial by adding 1 ml of sterile, distilled water.
In the preparation of Cereus Selective Agar, the dissolved content of one vial is evenly mixed together with 50 ml sterile egg-yolk emulsion into 450 ml of sterile,
still liquid medium cooled to 45-50 °C.
Composition (per vial)
Polymyxin B sulfate 50,000 IU.
