Hefeextrakt-Agar (YEA)

According to DIN EN ISO 6222:1999

Abbreviazione: YEA
Numero articolo: 71-1290
Scheda: 250ml-bottle with 200ml nutrient medium
Colore: Clear, yellowish coloured
Condizioni di stoccaggio prodotti: Dry, in closed bag, at 15-22°C
Data di scadenza: 3 Months
Valore pH: 7.2 ± 0.2 bei 25°C
71 1290 hefeextrakt agar yea xebios
Destinazione e applicazione

Yeast Extract Agar Medium is for the detection, isolation and enumeration of bacteria cultivated at 22 ± 1 °C and 37 ± 1 °C in water and waste water samples (BS EN ISO 6222:1999).

Composizione tipica

in g per 1 litre nutrient medium
Casein Peptone6.0
Yeast Extract3.0

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 of target organisms:80–120 CFU

OrganismType StrainSpecificationColony morphology
Escherichia coliATCC 8739 / WDCM 00012≥ 70 %-
Bacillus subtilisATCC 6633 / WDCM 00003≥ 70 %-

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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