CULTURE MEDIA - GELATIN PEPTONE
Gelatin peptone is prepared by enzymatic digestion of gelatin and as such it is characterized by low cystein, Tryptophan and Carbohydrates content.
Gelatin peptone is prepared by enzymatic digestion of gelatin and as such it is characterized by low cystein, Tryptophan and Carbohydrates content.
Quality Control | |
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PHYSICAL DATA | |
Appearance | Light cream amorphous powder |
Odour | Characteristic |
pH (2% solution) | 6.0 to 7.0 |
Solubility | Freely soluble in water forming sparklingly clear soln |
Loss on Drying | Not more than 5.0% |
CHEMICAL DATA | |
Total Nitrogen (Kjaldal method) content TN | Not less than 13.5% |
Amino Nitrogen AN | Not less than 3.0 % |
Total Protein content (kjaldal factor- 6.25) |
Not less than 85% |
Degree of Hydrolysis DH = (AN/TN) X 100 |
Not less than 30% |
Ash | Not more than 10% |
Proteose Test (As per USP) | Passes |
Coagulable protein (As per USP) |
Passes |
BACTERIOLOGICAL DATA | |
Total Plate Count | Not more than 5000CFU/gm |
E.coli/10 gm | Absent |
Salmonella/10gm | Absent |