| NACRES | NA.74 |
|---|---|
| UNSPSC Code | 41106213 |
| agency | EP |
| 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 |
| web metadata keyword.default | microbialanalysismicrobialanalysis |
| application(s) | bioburden testingmicrobiologypharmaceutical |
| storage temp. | 15-25°C |
| suitability | Staphylococcus spp. ((pathogenic)) |
| Quality Level | 200 |
Answer:Its high sodium chloride concentration inhibits many salt-sensitive microorganisms.
Answer:Acid production from mannitol fermentation changes the phenol-red indicator toward yellow.
Answer:No. Confirmation with additional identification tests is required.
GranuCult Prime Mannitol Salt Phenol-Red Agar is a selective and differential dehydrated medium used for isolation and presumptive characterization of staphylococci, including Staphylococcus aureus. Its approximately 7.5% sodium chloride content suppresses many salt-sensitive microorganisms, while mannitol fermentation generates acid that changes the phenol-red indicator from red toward yellow. The formulation supports microbiological quality-control and bioburden investigations in suitable laboratory methods. The 500 g granulated pack is designed for preparation and sterilization of agar plates; it is not a ready-to-use plated medium. Mannitol fermentation and growth on selective agar are presumptive findings, so species-level identification requires confirmatory testing. Prepare the medium at the specified concentration, control final pH and verify performance with appropriate positive and negative reference organisms.
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