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Merck
CN

1.05404

Millipore

Mannitol Salt Phenol-Red Agar

GranuCult® prime, according to JP, EP, USP, granular, for Staphylococcus spp., pkg of 500 g

Synonym(s):

Mannitol salt agar, MSA, Chapman Agar

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About This Item

UNSPSC Code:
41106213
NACRES:
NA.74

Key Documents

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Agency

EP
USP
according to JP

Quality Level

200

sterility

non-sterile

form

granular

feature

ready-to-use

packaging

pkg of 500 g

manufacturer/tradename

GranuCult® prime

technique(s)

microbiological culture: suitable

pH

7.2-7.6 (25 °C, 108 g/L in H2O, after autoclaving)

solubility

108 g/L

bulk density

770 kg/m3

application(s)

bioburden testing
microbiology
pharmaceutical

storage temp.

15-25°C

suitability

Staphylococcus spp. ((pathogenic))

General description

Mannitol salt phenol-red agar is a modified version of the selective agar for the isolation and presumptive identification of Staphylococcus aureus. The composition of Mannitol Salt Agar supports the growth of Staphylococcus aureus, whereas the high salt content of 7.5 % inhibit many other microorganisms. Degradation of mannitol to acid correlates with the pathogenicity of S. aureus and thus, serves as an indicator for this species. Some halophilic Enterococci and Vibriones also grow on Mannitol Salt Agar. In contrast to the most other Staphylococci, S. aureus can build acids from mannitol. Therefore, they build up yellow colonies with yellow zones. S. capitis, S. simulans, S. carnosus, S. scuri, S. lentus, and S. gallinarum are also mannitol positive.

Application

Mannitol salt phenol-red agar is used for the isolation and presumptive identification of Staphylococcus aureus in non sterile pharmaceuticals and food.

Legal Information

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

Disclaimer

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Certificates of Analysis (COA)

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