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Millipore

Malt Extract Agar, modified

suitable for microbiology, NutriSelect® Plus

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NACRES:
NA.85

form

powder

Quality Level

composition

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

manufacturer/tradename

NutriSelect® Plus

technique(s)

microbiological culture: suitable

application(s)

agriculture
bioburden testing
clinical testing
environmental
food and beverages
pharmaceutical

microbiology

suitability

selective by low pH for Aspergillus spp.
selective by low pH for Candida spp.
selective by low pH for Penicillium 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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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, 15.00 g/L , Malt extract, 30.00 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

composition

agar, 12 g/L , dipotassium hydrogen phosphate, 2 g/L , D(+)-glucose, 20 g/L , magnesium sulfate (equivalent to 0.2 g/lheptahydrate), 0.1 g/L , manganous sulfate monhydrate, 0.05 g/L , meat extract, 5 g/L , sodium acetate, 5 g/L , triammonium citrate, 2 g/L , universal peptone, 10 g/L , yeast extract, 5 g/L

manufacturer/tradename

NutriSelect® Plus

manufacturer/tradename

NutriSelect® Plus

manufacturer/tradename

NutriSelect® Plus

manufacturer/tradename

NutriSelect® Basic

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

application(s)

agriculture
bioburden testing
clinical testing
environmental
food and beverages
pharmaceutical, microbiology

application(s)

bioburden testing
clinical testing
food and beverages, microbiology

application(s)

environmental
food and beverages, microbiology

application(s)

agriculture
bioburden testing
environmental
food and beverages, microbiology

suitability

selective by low pH for Aspergillus spp., selective by low pH for Candida spp., selective by low pH for Penicillium 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)

suitability

selective by low pH for Aspergillus spp., selective by low pH for Candida spp., selective by low pH for Penicillium spp., selective by low pH for Pichia spp., selective by low pH for Saccharomyces spp., selective by low pH for Zygosaccharomyces spp.

suitability

selective by low pH for Lactobacillus spp.

suitability

nonselective for Lactobacillus spp., selective by low pH for Bifidobacterium spp.

Application

for isolation, detection and enumeration of yeasts and molds

Preparation Note

Suspend 31.28 g of Malt Extract Agar, Modified in 1000 ml of distilled water and add 2.35 g of glycerol (Cat. No. 49767). Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 15 lbs. pressure (121°C) for 15 minutes. AVOID OVERHEATING! The low pH (4.7) of the medium may catalyze the hydrolysis of the agar during prolonged heating, resulting in a softer gel or failure of the agar to gel.

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


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Articles

Traditional methods are based morphology, staining methods, enzyme reactions (metabolism) and diverse media.

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