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
Destinazione e applicazione

For enrichment of Salmonella from milk and dairy products and other microorganisms from other foods and from environmental samples.

Composizione tipica

in g per 1 Litre of Nutrient medium
Casein Peptone10
Sodium Chloride5
Disodium Hydrogen Phosphate3.5
Potassium Hydrogen Phosphate1.5

Controlli di qualita' microbiologici

The Microbiological Performance Test is carried out in accordance with the requirements of DIN EN ISO 11133.


Incubation conditions: 18 ± 2 Hours at 36 ± 2 °C; Inoculum Concentration: 80 – 120 CFU

OrganismType StrainSpecificationColony morphology
Escherichia coliATCC 8739/WDCM 00012Very cloudy, turbid-
Salmonella enterica serovar EnteritidisATCC 13076/WDCM 00030Very cloudy, turbid-

Incubation conditions: 45–60 Minutes at 22.5± 22,5 °C; Inoculum Concentration: 80-120 CFU

OrganismType StrainSpecificationColony morphology
Staphylococcus aureusATCC 25923/WDCM 00034--
Listeria monocytogenesATCC 13932/WDCM 00021--

Microbial Contamination
Incubation conditions: 5–7 Days at 20–25°C and 5–7 Days at 30–35°C

No microbial contamination

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