| Peptone Y is a specially formulated enzymatic digest of casein, similar to Tryptone from gelatin, but used to supply higher growth rates when used in molecular biology media preparations such as YPD Broth & Agar. |
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| Catalog # | P3306 |
| Appearance | Light tan, homogenous, free flowing powder |
| Solubility | Clear, light amber, complete |
| pH (2%) | 6.5-7.5 |
| Ash | 15% |
| Moisture | 5.0% |
| Amino Nitrogen | 4% |
| Total Nitrogen | 10% |
| Undigested Proteins | Negative |
| Reducing Sugars | Negative |
| Proteoses | Trace positive to positive |
| Nitrites | Negative |
| Tryptophan | Trace positive to positive |
| Growth Supporting Properties | Agar Formulation, Broth Formulation: Growth Test |
| Standard Plate Count: 5000CFU/g |
| Molds/Yeasts: <100CFU/g |
| Coliforms: <10CFU/g |
| E. coli: Negative |
| Salmonella: Negative/25g |
| Typical Amino Acid Profile | Ala 2.8%, Arg 3.2%, Asp 6.7%, Cys 0.3%, Glu 18%, Gly 1.8%, His 2.4%, Ile 4.7%, Leu 7.7%, Lys 7.0%, Met 2.5%, Phe 4.1%, Pro 9.1%, Ser 5.1%, Thr 3.9%, Trp 1.0%, Tyr 1.3%, Val 6.0% |
| Certificate of Origin | The raw animal product used in the manufacturing of Peptone Y is derived from casein originating in New Zealand or Australia where there have been no reported cases of bovine spongiform encephalopathy (BSE). Peptone Y is processed in an ISO 9002 plant in Mexico. During processing of the product, a batch is heated to a minimum of 80°C for 1 hour including a minimum of 5 minutes at 105°C. The product is then dried at a minimum of 140°C. |
| CAS Number | 73049-73-7 |
| 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. |
