【 KCOM medium 7 】

   - Mutans streptococci selective agar medium

Mitis Salivarius Agar 90.0 gm

Sucrose 200.0 gm

DW upto 1000.0 ml

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-> Heat to boiling to dissolve completely

-> Autoclave at 121°C for 15 min. Cool to 50-55°C

-> Just prior to dispensing, add 1 ml of 1% potassium tellurite and 1 ml of 0.5 mg/ml Bacitracin

* Bacitracin solution can be used for 1 week after making.