Standard Methods M-Protein Agar (Formerly Standard Methods Caseinate Agar) is recommended by APHA for detection of proteolytic microorganisms. It has M-protein (sodium caseinate) as a major protein source for the organisms. Proteolytic organisms form white or off white precipitate around the colony. Organisms which are strongly proteolytic can breakdown the precipitate formed around the colonies to soluble components with the formation of an inner transparent zone. For the enumeration of proteolytic psychrotropic bacteria, inoculated plates should be incubated for 10 days at 7°C.
Standard Methods Caseinate Agar (Revised as Standard Methods M-Protein Agar)
SKU
M588
Product Type
Regular
Physical Form
Powder
Origin
Animal
Packaging type
HDPE
References
1. Downes F. P. and Ito K., (Eds.), 2001, Compendium of Methods for the Microbiological Examination of Foods, 4th Ed.,APHA, Washington, D.C. 2.Martley F. G., Jayashankar S. R. and Lawrence R. C., 1970, J. Appl. Bacteriol., 3:363.