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U.S. Department of Health and Human Services

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BAM Media M97: Mannitol Salt Agar

January 2001

Bacteriological Analytical Manual

M97
Mannitol Salt Agar

Beef extract1 g
Polypeptone10 g
NaCl75 g
Mannitol10 g
Phenol red0.025 g
Agar15 g
Distilled water1 liter

 

Heat with agitation to dissolve agar and boil 1 min. Dispense 20 ml portions into 15 x 100 mm petri dishes. Autoclave 15 min at 121°C. Final pH, 7.4 ± 0.2.

 


Original Source: Bacteriological Analytical Manual, 8th Edition, Revision A, 1998.