Principle
The media is composed according to the USP, recommended as an antibiotic assay medium. It is composed of peptone, a pancreatic digest of casein, yeast extract, meat extract, dextrose, and agar. Peptone, pancreatic digestion of casein, yeast extract, and meat extract provide nitrogen, carbon, vitamins essential nutrients. Dextrose serves as an energy source. This medium is used as seed agar, and maintenance agar for the different varieties of test microbes used for the antibiotic assay.
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