Description
MR-VP Broth – Methyl Red & Voges-Proskauer Test Medium for Accurate Bacterial Differentiation
Detailed Product Description:
Elevate your microbiological research with MR-VP Broth, a premium culture medium tailored for the Methyl Red and Voges-Proskauer tests. This essential product is widely sought after in laboratories for its ability to differentiate bacteria effectively, making it perfect for applications in food safety, clinical microbiology, and pharmaceutical testing.
Key Features:
- Comprehensive Formula: Contains 7.0g Proteose Peptone, 5.0g Dextrose, and 5.0g Dipotassium Hydrogen Phosphate per liter, ensuring optimal growth and accurate results.
- Robust Performance: Methyl red-positive organisms will reveal a vivid red color, indicating high acid production. In contrast, the Voges-Proskauer test confirms acetoin production through a striking red hue after reagent addition.
- Simple Preparation: Just suspend 17.0g in 1 liter of distilled or deionized water, sterilize in an autoclave at 121°C for 15 minutes, and you’re ready for precise testing.
- Storage & Longevity: Store the dehydrated medium tightly capped at 5-30°C with a 3-year shelf life from the manufacturing date. Prepared medium can be kept out of direct light at 2-8°C.
Interpretation:
Methyl red-positive bacteria ferment dextrose to produce acid, overwhelming the phosphate buffer and resulting in a red color change when methyl red is added. For the Voges-Proskauer test, the presence of acetoin is confirmed by adding potassium hydroxide, producing a red color upon oxidation.
Quality Control:
Follow label instructions for preparation and inoculation. Incubate at 36±1°C for 48±2 hours for accurate testing results.
Precautions:
For laboratory use only. Ensure medium is not past its shelf life or shows signs of caking or color variation.
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