محیط کشت DRBC کد 100466 مرک آلمان




DRBC (Dichloran-rose bengal chloramphenicol) agar
acc. ISO 21527 and FDA-BAM GranuCult



Analysis Note

Appearance (clearness): clear to slightly opalescent
Appearance (colour): pink
pH-value (25 °C): 5.4 - 5.8
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Saccharomyces cerevisiae ATCC 9763 (WDCM 00058)):
Colony count (Saccharomyces cerevisiae ATCC 9763 (WDCM 00058)):
Recovery on test medium (Saccharomyces cerevisiae ATCC 9763 (WDCM 00058)): ≥ 50 %
Inoculum on reference medium (Aspergillus brasiliensis (formerly A. niger) ATCC 16404 (WDCM 00053)):
Colony count (Aspergillus brasiliensis (formerly A. niger) ATCC 16404 (WDCM 00053)):
Recovery on test medium (Aspergillus brasiliensis (formerly A. niger) ATCC 16404 (WDCM 00053)): ≥ 50 %
Inoculum on reference medium (Candida albicans ATCC 10231 (WDCM 00054)):
Colony count (Candida albicans ATCC 10231 (WDCM 00054)):
Recovery on test medium (Candida albicans ATCC 10231 (WDCM 00054)): ≥ 50 %
Inoculum on reference medium (Mucor racemus ATCC 42647 (WDCM00181)):
Colony count (Mucor racemus ATCC 42647 (WDCM00181)):
Recovery on test medium (Mucor racemus ATCC 42647 (WDCM00181)): ≥ 50 %
Growth (Escherichia coli ATCC 8739 (WDCM 00012)): no growth
Growth Escherichia coliATCC 25922 (WDCM 00013): no growth
Growth (Bacillus subtilis ATCC 6633 (WDCM 00003)): no growth
Incubation: 5 days at 25 ± 1 °C
A recovery rate of 50 % is equivalent to a productivity value of 0.5.
The indicated colony counts result from the sum of a triple determination.
Reference media: SABOURAUD dextrose agar