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Merck
CN

21065

Calcium caseinate Agar

NutriSelect® Basic, suitable for microbiology

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About This Item

NACRES:
NA.74
UNSPSC Code:
41171606
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sterility

non-sterile

Quality Segment

form

powder

shelf life

limited shelf life, expiry date on the label

composition

agar, 13 g/L , calcium caseinate, 3.5 g/L , calcium chloride dihydrate, 0.2 g/L , casein peptone, 2.0 g/L , disodium hydrogen phosphate, 0.105 g/L , meat extract, 2.0 g/L , meat peptone, 4.0 g/L , potassium dihydrogen phosphate, 0.035 g/L , sodium chloride, 5.0 g/L , tripotassium citrate monohydrate, 0.35 g/L

manufacturer/tradename

NutriSelect® Basic

technique(s)

microbiological culture: suitable

final pH

7.0±0.2 (25 °C)

application(s)

food and beverages, microbiology

suitability

nonselective and differential for Bacillus cereus, nonselective and differential for Bacillus spp., nonselective and differential for Pseudomonas spp., nonselective and differential for bacteria (General Media), proteolytic bacteria

Application

Selective agar for the detection and enumeration of protein metabolising microorganisms (proteolytes) in food according to Frazier and Rupp (modified).

Preparation Note

Dissolve 30.7 g in 1 litre distilled water and autoclave at 121°C for 15 minutes.

Other Notes

For protease testing in an identification scheme for coagulase negative staphylococci from bovine mastitis
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

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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