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You are here:Home » Culture Media » Media-Microbiological » Proteose Peptone #3 (Powder)

Proteose Peptone #3 (Powder)


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Basal medium used in various formulations for the cultivation of fastidious organisms including the production of diphtheria toxin.
Catalog #P9113-22
Appearance Light beige, homogeneous, free-flowing powder.
Solubility: Clear to sl. hazy, amber and complete with heating
Moisture: 5%
Ash: 12%
Amino Nitrogen: 6%
Total Nitrogen: 15%
pH: 6.5±1
Standard Palnt Count: 5000cfu/g
Coliforms: Negative
E. coli: Negative
Salmonella: Negative/25g
Molds and Yeast: 100cfu/g
Certificate of OriginThe raw animal product used in the manufacturing of Proteose Peptone #3 is derived from casein originating in the USA. During processing of the product, a batch is heated to a minimum of 80°C for 1 hour including a minimum of 30 minutes at 105°C after addition of enzymes. The product is then dried at a minimum of 140°C.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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