BacterChrom™ MRSA Agar Plates
- Ready-to-use chromogenic medium on 90mm plates for detecting and differentiating MRSA (Methicillin-Resistant Staphylococcus aureus).
- Code: 01048
- Packaging: 10 plates/box or as per customer requirem ents.
- Storage Conditions: 2–8°C.
- Transportation: Ambient temperature.
- Shelf Life: 03 months from the date of manufacture.
INTENDED USE
- BacterChrom™ MRSA Agar is a selectve and diferental chromogenic medium for the qualitatve direct detecton of colonizaton by methicillin resistant Staphylococcus aureus (MRSA) to aid in the preventon and control of MRSA in healthcare setngs.
- BacterChrom™ MRSA Agar is not intended to diagnose, guide, nor monitor therapy for MRSA infectons, nor provide results of susceptbility to methicillin. A lack of growth or the absence of pink colonies on CHROMagar™ MRSA does not preclude the presence of MRSA. Further identfcaton, susceptbility testng, and epidemiological typing is needed on suspect colonies.
- BacterChrom™ MRSA Agar can also be used in conjuncton with other laboratory tests and clinical data available to aid in the identfcaton and in the diagnosis of MRSA infectons in skin, sof tssue, wounds and positve blood cultures. Concomitant cultures are necessary to recover organisms for further microbiological susceptbility testng or epidemiological typing.
- The packaging with semi-permeable Cellophane film helps balance the humidity of the environment during storage.
RESULTS
- BacterChrom™ MRSA Agar contains selective agents that suppress the growth of non-MRSA bacteria, ensuring high specificity. Chromogenic substrates in the medium interact with enzymes produced by MRSA, leading to the development of distinct colony colors. This allows for easy differentiation and identification of MRSA colonies. The medium enhances sensitivity while maintaining reliable specificity.
- BacterChrom™ MRSA Agar can be used with the following specimens: nasal and perineal specimens. This medium can be also used in environmental and veterinary felds with the following specimens: pets, livestock, poultry, clinical and other materials. Use of transport devices approved for collecton of such specimens is recommended.
- Relevant samples can be processed either by direct inoculation onto plates, as well as prior appropriate enrichment step.
- Bring the agar plates to room temperature. Dry the agar plates in an incubator by partially opening the agar plates
- Streak sample onto plate.
- Incubate in aerobic conditions at 35 – 37 °C for 18 – 24 hours
RESULTS
- Qualitative reading and interpretation of the plates
| Microorganisms | Typical colony appearance |
| MRSA | pink to mauve |
| MSSA | inhibited |
| Other species | inhibited, colourless, blue |
BacterLab ensures the quality of each product batch by testing with ATCC reference strains.
| Strains | Incubation Conditions | Culture results |
| S. aureus ATCC 43300 | Incubate at 35 – 37°C for 18 – 24 hours | Good growth, mauve colonies |
| S. aureus ATCC 25923 | Weak growth to no growth. |
For 1 liter of medium
| Peptone and yeast extract | 40,0 g |
| Sodium chloride | 25,0 g |
| Chromagenic mix | 2,5 g |
| Agar | 15,0 g |
pH of the ready-to-use medium at 250C: 6,9 ± 0,2
*Note: This ingredient is for reference only our company will formulate the ingredient according to requests or tender specifications.
| Product Name | Code | Packaging |
| BacterChrom™ MRSA Agar | 01048 | 10 plates/box or as per customer request. |
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