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70196

Millipore

Wort Agar

suitable for microbiology, NutriSelect® Basic

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NACRES:
NA.74

sterility

non-sterile

Quality Level

form

powder

shelf life

limited shelf life, expiry date on the label

composition

agar, 17.0 g/L
ammonium chloride, 1.0 g/L
dextrin, 2.5 g/L
dipotassium hydrogen phosphate, 1.0 g/L
malt extract, 15.0 g/L
D-maltose, 12.5 g/L
peptone (from casein), 1.0 g/L

manufacturer/tradename

NutriSelect® Basic

technique(s)

microbiological culture: suitable

final pH

4.8±0.2 (25 °C)

application(s)

agriculture
bioburden testing
environmental
food and beverages

microbiology

suitability

selective by low pH for Candida spp.
selective by low pH for Pichia spp.
selective by low pH for Saccharomyces spp.
selective by low pH for Zygosaccharomyces spp.
selective by low pH for molds (General Media)
selective by low pH for yeasts (General Media)

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This Item
701459721817154
Wort Agar suitable for microbiology, NutriSelect® Basic

Millipore

70196

Wort Agar

Malt Extract Agar suitable for microbiology, NutriSelect® Plus

Millipore

70145

Malt Extract Agar

form

powder

form

powder

form

powder

form

powder

shelf life

limited shelf life, expiry date on the label

shelf life

limited shelf life, expiry date on the label

shelf life

-

shelf life

limited shelf life, expiry date on the label

composition

agar, 17.0 g/L , ammonium chloride, 1.0 g/L , dextrin, 2.5 g/L , dipotassium hydrogen phosphate, 1.0 g/L , malt extract, 15.0 g/L , D-maltose, 12.5 g/L , peptone (from casein), 1.0 g/L

composition

agar, 15 g/L , malt extract, 30 g/L , mycological peptone, 5 g/L

composition

agar, 15 g/L , dextrin, 2.75 g/L , maltose, 12.75 g/L , peptic digest of animal tissue, 0.78 g/L

composition

agar, 20 g/L , beef extract, 10 g/L , casein enzymic hydrolysate, 10 g/L , dextrose, 20 g/L , dipotassium phosphate, 2 g/L , polysorbate 80, 1 g/L , tomato juice, 2 g/L , yeast extract, 5 g/L

manufacturer/tradename

NutriSelect® Basic

manufacturer/tradename

NutriSelect® Plus

manufacturer/tradename

NutriSelect® Plus

manufacturer/tradename

NutriSelect® Plus

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

General description

Wort Agar is a general purpose mycological medium especially suitable for the cultivation and enumeration of yeasts.

Application

General purpose mycological medium especially suitable for the cultivation and enumeration of yeasts. Addition of special indicator dyes allows differentiation between yeast and bacterial colonies (Rapp).
Wort Agar has been used to cultivate Aspergillus niger.

Preparation Note

Suspend 50 g in 1 litre of distilled water. Add 2.35 g glycerol Cat. No. 49767) and bring to the boil to dissolve completely. Sterilize by autoclaving at 121°C for 15 minutes. Do not overheat! Prolonged heating will diminish the gel strength of the medium.

Other Notes

Impedimetric detection of yeast and mold

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

Certificates of Analysis (COA)

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T1503
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-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

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B.J. Schaertal et al.
Food Microbiology, 4, 155-155 (1987)
M. Rapp
Milchwiss., 29, 341-341 (1974)
Handbook of Microbiological Media null
E.H. Parfitt
Journal of Dairy Science, 16, 141-141 (1933)
TOTAL PHENOLIC CONTENT, ANTIOXIDANT AND
ANTIMICROBIAL ACTIVITY OF HABERLEA RHODOPENSIS
EXTRACTS OBTAINED BY PRESSURIZED LIQUID EXTRACTION
D. Mihaylovaa
Acta Alimentaria (2013)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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