Potato Dextrose Agar

suitable for microbiology, NutriSelect® Plus

Potato Glucose Agar

Quality Level





shelf life

limited shelf life, expiry date on the label


agar, 15 g/L
dextrose, 20 g/L
potato extract, 4 g/L


NutriSelect® Plus


bioburden testing: suitable
microbiological culture: suitable
microbiology: suitable

final pH

5.6±0.2 (25 °C)

Featured Industry

Food and Beverages


nonselective for Aspergillus spp.
nonselective for Candida spp.
nonselective for Penicillium spp.
nonselective for Pichia spp.
nonselective for Saccharomyces spp.
nonselective for Zygosaccharomyces spp.
nonselective for molds (General Media)
nonselective for yeasts (General Media)

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Related Categories


Recommended for the isolation and enumeration of yeasts and molds in dairy products and food.

Preparation Note

Suspend 39 g in 1 litre of distilled water. Bring to the boil to dissolve completely. Sterilize by autoclaving at 121°C for 15 minutes. In order to suppress bacterial growth, 1 ml of 10% sterile lactic acid can be added for dropping pH to 3.5. Mix well before pouring.

Other Notes

Studies on contamination of yogurt by yeast; For maintaining the stock culture of Rhodotorula glutinis for the production of extracellular lipase; Identification of Aspergillus niger from infected onion tissue

Legal Information

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

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
R.E. Beever et al.
Journal of General Microbiology, 60, 273-273 (1970)
M. Dublin Green et al.
Journal of Food Protection, 50, 193-193 (1987)
D. Papaparaskevas et al.
Biotechnology Letters, 14, 397-397 (1992)
A. Behere et al.
Enzyme and Microbial Technology, 15, 158-158 (1993)
Julia Schumacher et al.
Eukaryotic cell, 7(4), 584-601 (2008-02-12)
Recently, we showed that the alpha subunit BCG1 of a heterotrimeric G protein is an upstream activator of the Ca(2+)/calmodulin-dependent phosphatase calcineurin in the gray mold fungus Botrytis cinerea. To identify the transcription factor acting downstream of BCG1 and calcineurin...
Yeast is one of the most important microorganisms known and utilised by mankind. Ancient Middle Eastern civilisations used the organism to bake bread and to produce mead, beer and wine.
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