Gepuffertes Peptonwasser (PEP)
Abbreviazione: | PEP |
Numero articolo: | 60-1137 |
Scheda: | Tube, 9ml |
Colore: | Clear, yellowish coloured |
Condizioni di stoccaggio prodotti: | Dry, in closed bag, at 15-22°C |
Data di scadenza: | 6 Months |
Valore pH: | 7.0 ± 0.2 bei 25°C |
For enrichment of Salmonella from milk and dairy products and other microorganisms from other foods and from environmental samples.
in g per 1 Litre of Nutrient medium | |
---|---|
Casein Peptone | 10 |
Sodium Chloride | 5 |
Disodium Hydrogen Phosphate | 3.5 |
Potassium Hydrogen Phosphate | 1.5 |
The Microbiological Performance Test is carried out in accordance with the requirements of DIN EN ISO 11133.
Produktivität
Incubation conditions: 18 ± 2 Hours at 36 ± 2 °C; Inoculum Concentration: 80 – 120 CFU
Organism | Type Strain | Specification | Colony morphology | |
---|---|---|---|---|
Escherichia coli | ATCC 8739/WDCM 00012 | Very cloudy, turbid | - | |
Salmonella enterica serovar Enteritidis | ATCC 13076/WDCM 00030 | Very cloudy, turbid | - |
Dilution
Incubation conditions: 45–60 Minutes at 22.5± 22,5 °C; Inoculum Concentration: 80-120 CFU
Organism | Type Strain | Specification | Colony morphology | |
---|---|---|---|---|
Staphylococcus aureus | ATCC 25923/WDCM 00034 | - | - | |
Listeria monocytogenes | ATCC 13932/WDCM 00021 | - | - |
Microbial Contamination
Incubation conditions: 5–7 Days at 20–25°C and 5–7 Days at 30–35°C
Specification |
---|
No microbial contamination |