• Decrease font size
  • Return font size to normal
  • Increase font size
U.S. Department of Health and Human Services


  • Print
  • Share
  • E-mail

BAM Media M124: Plate Count Agar

January 2001

Bacteriological Analytical Manual

Plate Count Agar
(Standard Methods)

Tryptone5 g
Yeast extract2.5 g
Dextrose1 g
Agar15 g
Distilled water1 liter


Heat to dissolve ingredients. Dispense into suitable tubes or flasks. Autoclave 15 min at 121°C. Final pH, 7.0 ± 0.2.


For viable yeasts and molds, dispense 20-25 ml portions into sterile 15 x 100 mm petri dishes.


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