MilliporeSigma
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70139

Millipore

Potato Dextrose Agar

suitable for microbiology, NutriSelect® Plus

Synonym(s):
Potato Glucose Agar
NACRES:
NA.74

Quality Level

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

composition

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

manufacturer/tradename

NutriSelect® Plus

technique(s)

microbiological culture: suitable

final pH

5.6±0.2 (25 °C)

application(s)

agriculture
bioburden testing
environmental
food and beverages

microbiology

suitability

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

Application

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

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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