Mannit-Kochsalz-Agar nach harm. EP/USP/JP (MSA)
| Shorthand symbol: | MSA |
| Item number: | 40-1166 |
| Format: | Petri Dish, 90mm |
| Colour: | Clear and strong pink |
| Storage conditions: | Dry, in closed bag, at 15-22°C |
| Shelf-life: | 3 Months |
| pH: | 7.4 ± 0.2 bei 25°C |
Test for Staphylococcus aureus. Nutrient medium for microbiological analysis of sterile products. Medium complies with the requirments in the EP/USP/JP (2006).
| in g per 1 litre of Nutrient medium | |
|---|---|
| Pancreatic-digest of Casein peptone | 5 |
| Pancreatic-digest of Beef Peptone | 5 |
| Beef Extract | 1 |
| D(-)-Mannitol | 10 |
| Sodium chloride | 75 |
| Phenol Red | 0.025 |
| Agar | 15 |
| *Adjusted as required to meet performance standards |
The microbial performance test carried out in conformity with the requirements of Pharm. Eur. (Microbiological Examination of non-sterile products according Chapter 2.6.13).
Productivity
Incubation conditions: 18 hours at 30–35°C; Inoculum concentration: 10–100 CFU
| Organism | Type Strain | Specification | Colony morphology | |
|---|---|---|---|---|
| Staphylococcus aureus | ATCC 6538/WDCM 00032 | Good growth | Yellow colonies |
Selectivity
Incubation conditions: 18-72 hours at 30–35°C; Inoculum concentration: > 100 CFU
| Organism | Type Strain | Specification | Colony morphology | |
|---|---|---|---|---|
| Escherichia coli | ATCC 8739/WDCM 00012 | Complete inhibition | - |
Microbial Contamination
Incubation conditions: 5–7 days, 20–25°C and 5–7 days, 30–35°C
| Specification |
|---|
| No microbial contamination |