DEV Nutrient Agar (DEV)

According to DIN 38411 § 64 LFGB.

Abbreviazione: DEV
Numero articolo: 72-1128
Scheda: 500ml-bottle with 400ml Nutrient medium
Colore: Yellowish
Condizioni di stoccaggio prodotti: Dry, in closed bag, at 15-22°C
Data di scadenza: 6 Months
Valore pH: 7.3 ± 0.2 bei 25°C
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Destinazione e applicazione

DEV Nutrient Agar is used for the detection, isolation and enumeration of bacteria from food and water. The medium corresponds to the requirements DIN 38411 as well as to § 64 LFGB.

Composizione tipica

in g per 1 Litre of Nutrient medium
Peptone from flesh, tryptic-digested10.0
Beef Extract10.0
Sodium Chloride5.0

Controlli di qualita' microbiologici

The Microbiological Performance Test is carried out in accordance with the requirements BS EN ISO 11133:2014.


Incubation conditions: 44 ± 4 Hours at 36 ± 1°C; Inoculation concentration: 80–120 CFU

OrganismType StrainSpecificationColony morphology
Escherichia coliATCC 8739 / WDCM 00012≥ 70 %Yellowish/Cream colonies
Bacillus subtilisATCC 6633 / WDCM 00003≥ 70 %Yellowish/Cream colonie

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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