Peptone from casein, enzymatic digest
SIAL/82303 - Enzymatic digest of casein, for biotechnological purposes
Synonym: Peptone from casein; Peptone from casein
CAS Number: 91079-40-2
EC Number: 293-428-4
Product Type: Chemical
| application(s) | food and beverages microbiology |
| assay | ~13% total nitrogen (N) basis |
| biological source | bovine milk |
| form | powder |
| grade | for biotechnological purposes |
| ign. residue | <17% |
| loss | <6% loss on drying |
| nitrogen analysis | , ~0.3 AN:TN ratio |
| pH | 7.0±0.5 (2% in H2O) |
| Quality Level | 200  |
| solubility | H2O: 2%, clear, yellow to tan |
| water: soluble 2%, clear, faintly brown-yellow |
| Application: | Peptone from casein may be used as medium supplement in the following: • Bacterial cultures for short term storage of bacteria. • The basal Glucose Yeast Peptone (GYP) medium. • As nitrogen supplement in the culture medium of Ceriporiopsis subvermispora. • Culture medium of Methylobacterium rhodesianum and Ralstonia eutropha. |
| General description: | Peptone from an enzymatic digest of casein is used as a nitrogen source in culture media formulated for isolating and cultivating fastidious and non-fastidious bacteria and fungi. It is a refined hydrolysate with high solubility and is used as a microbiological nutrient. It is a rich source of amino acids and peptides recommended for culture media in analytical microbiology and industrial fermentation. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ~13% total nitrogen (N) basis |
| UNSPSC | 41106212 |