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

Bacteriological Analytical Manual Online
January 2001

M182
Malt Extract Agar
for Yeasts and Molds (MEAYM)

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Malt extract, powdered 20.0 g
Glucose 20.0 g
Peptone 1.0 g
Agar 20.0 g
Distilled water 1 liter

Final pH 5.4.

Mix ingredients, heat to dissolve agar and sterilize at 121°C for 15 min. Temper media to 45°C and pour plates under aseptic conditions. Dehydrated MA is commercially available, but since several MA formulas exist, check for the correct composition.


This medium is recommended for identification of Aspergillus and Penicillium.


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

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Hypertext updated by rim/cjm 2005-OCT-21