CULTURE MEDIA - ACID CASEIN HYDROLYSATE
It is a result of hydrolysis of high-quality milk casein. As such it containd all amino acids (except tryptophan and Cystein which destroyed during acidic hydrolysis) present in casein.
It has found variety of application including use in growth studies concerned with submerged and continuous culture. It acts as a good nutrient substrate and is especially suitable for the large-scale cultivation of microorganisms and bacteriological assay of vitamins.
It is a result of hydrolysis of high-quality milk casein. As such it containd all amino acids (except tryptophan and Cystein which destroyed during acidic hydrolysis) present in casein.
It has found variety of application including use in growth studies concerned with submerged and continuous culture. It acts as a good nutrient substrate and is especially suitable for the large-scale cultivation of microorganisms and bacteriological assay of vitamins.
| Quality Control | |
|---|---|
| PHYSICAL DATA | |
| Appearance | Light brown amorphous powder |
| Odour | Characteristic |
| pH (2% solution) | 6.0 to 7.0 |
| Solubility | Freely soluble in water forming sparkingly clear soln |
| Loss on Drying | Not more than 5.0% |
| CHEMICAL DATA | |
| Total Nitrogen | Not less than 10% |
| Amino Nitrogen | Not less than 4.5 % |
| Proteins | Not less than 60% |
| Degree of Hydrolysis | Not less than 45% |
| Ash | Not more than 20% |
| Sodium Chloride | Not more than 25% |
| BACTERIOLOGICAL DATA | |
| Total Plate Count | Not more than 5000CFU/gm |
| E.coli/10 gm | Absent |
| Salmonella/10gm | Absent |