U.S. Food & Drug Administration
Center for Food Safety & Applied Nutrition

Bacteriological Analytical Manual Online
January 2001

M124
Plate Count Agar
(Standard Methods)

(Return to Table of Contents)


Tryptone 5 g
Yeast extract 2.5 g
Dextrose 1 g
Agar 15 g
Distilled water 1 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.


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

Home   |   B A M   |   B A M Media   |   Bad Bug Book

Hypertext updated by rim/cjm 2005-OCT-21