Proteose Peptone #3 (Powder)

Basal medium used in various formulations for the cultivation of fastidious organisms including the production of diphtheria toxin. Appearance: Light beige, homogeneous, free-flowing powder, Solubility: Clear to sl. hazy, amber and complete with heating, Loss on Drying: <5%, Ash: <12%, Amino Nitrogen: <6%, Total Nitrogen: <15%, pH: 7.0±0.5, Standard Plate Count: <5000cfu/g, Coliforms: Negative, E. coli: Negative, Salmonella: Negative/25g, Molds and Yeast: <100cfu/g, Certificate of Origin: The 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 Note: This 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.