Positive: Bright red color indicative of mixed add fermentation (Figure 13-24, A).
Wealdy positive: Red-orange color.
Negative: Yellow color (Figure 13-24, B).
? VP (Voges-Proskauer) test (Barritt's
- figure 13-24 Methyl Red/Voges-Proskauer (MRVP) tests. A, Positive methyl red. B, Negative methyl red. C, Positive Voges-Proskauer. D, Negative Voges-Proskauer.
- for gram-negative rods
- Add 0.6 mL (6 drops) of solution A (a-naphthol) and 0.2 mL (2 drops) of solution B (KOH) to 1 mL of MRVP broth.
- Shake well after addition of each reagent.
- Observe for 5 minutes.
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This fact sheet is designed to provide you with information on Bacterial Vaginosis. Bacterial vaginosis is an abnormal vaginal condition that is characterized by vaginal discharge and results from an overgrowth of atypical bacteria in the vagina.
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