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

Bacteriological Analytical Manual Online
January 2001

M104
MR-VP Broth

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Medium 1

Buffered peptone-water powder
(Difco or BBL)
7 g
Glucose 5 g
K2HP04 5 g
Distilled water 1 liter


Medium 2

Pancreatic digest of casein 3.5 g
Peptic digest of animal tissue 3.5 g
Dextrose 5.0 g
Potassium phosphate 5.0 g
Distilled water 1 liter


Dissolve ingredients in water with gentle heat if necessary. Dispense 10 ml into 16 x 150 mm test tubes and autoclave 15 min at 118-121°C. Final pH, 6.9 ± 0.2.


Medium 3

Peptone 5.0 g
Glucose 5.0 g
Phosphate buffer 5.0 g
Distilled water 1 liter

Dissolve ingredients in water. Dispense 10 ml into 16 x 150 mm test tubes and autoclave 15 min at 121°C. Final pH, 7.5 ± 0.2.


 

For Salmonella: Dispense 10 ml into 16 x 150 mm test tubes and autoclave 12-15 min at 121°C.

For use with halophilic Vibrio spp., add NaCl to a final concentration of 2-3%.



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


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Hypertext updated by rim/cjm 2005-OCT-21