1.10130

Potato dextrose agar

GranuCult^® prime, USP, APHA, granular, suitable for pharmaceutical

• Synonym(s): PDA, Potato Glucose Agar
• UNSPSC Code: 41106200
• NACRES: NA.74

Properties

• Agency: APHA; USP
• Quality Level: 200
• sterility: non-sterile
• form: granular
• manufacturer/tradename: GranuCult^® prime
• technique(s): microbiological culture: suitable
• pH: 5.6 (21 °C, 39 g/L in H₂O, after autoclaving)
• solubility: 39 g/L
• bulk density: 610 kg/m³
• application(s): microbiology; pharmaceutical
• storage temp.: 15-25°C
• suitability: molds; yeasts

Description

Linkage

Replaces: 1.10130.5007

Analysis Note

Appearance (clearness): clear to slightly opalescent
Appearance (color): yellowish-braun
pH-value (25 °C): 5.4 - 5.8
Growth (Geotrichum candidum DSM 1240): good to very good
Growth (Penicillium commune ATCC 10428): medium to good
Growth (Trichophyton ajelloi ATCC 28454): medium to good
Incubation: 5 days; 28 °C
Growth promotion test in accordance with the harmonised method of EP and USP:
Inoculum on reference medium (Candida albicans ATCC 10231 (WDCM 00054)): 10 - 100
Inoculum on reference medium (Aspergillus brasiliensis (formerly A. niger) ATCC 16404 (WDCM 00053)): 10 - 100
Inoculum on reference medium (Saccharomyces cerevisiae ATCC 9763 (WDCM 00058)): 10 - 100
Inoculum on reference medium (Rhodotorula mucilaginosa DSM 70403): 10 - 100
Colony count (Candida albicans ATCC 10231 (WDCM 00054)):
Colony count (Aspergillus brasiliensis (formerly A. niger) ATCC 16404 (WDCM 00053)):
Colony count (Saccharomyces cerevisiae ATCC 9763 (WDCM 00058)):
Colony count (Rhodotorula mucilaginosa DSM 70403):
Recovery on test medium (Candida albicans ATCC 10231 (WDCM 00054)): ≥ 70 %
Recovery on test medium (Aspergillus brasiliensis (formerly A. niger) ATCC 16404 (WDCM 00053)): ≥ 50 %
Recovery on test medium (Saccharomyces cerevisiae ATCC 9763 (WDCM 00058)): ≥ 70 %
Recovery on test medium (Rhodotorula mucilaginosa DSM 70403): ≥ 70 %
Incubation: up to 5 days; 20-25 °C

Footnote

We offer two media types: the superior granulated GranuCult^® and the cost-efficient powdered NutriSelect^® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3