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

Bacteriological Analytical Manual Online
January 2001

M7
AKI Medium

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Peptone 15 g
Yeast extract 4 g
NaCl 5 g
Distilled water 970 ml
NaHCO3,
10% aqueous, filter-sterilized
30 ml

 

On day of use, dissolve peptone, yeast extract, and NaCl in distilled water. Autoclave 15 min at 121°C. Cool. Add 30 ml freshly prepared, filter-sterilized NaHCO3, and mix. Dispense aseptically into screw-capped tubes (use 15 ml for 16 x 125 mm tubes). Final pH, 7.4 ± 0.2.




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


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Hypertext updated by rim/cjm 2005-OCT-21