A => Iodine
B => Hydrogen Peroxide (H2O2)
C => Oxidase
D & E =>Voges - Proskauer reagents
F => Methyl Red
G => Kovac's
- Used in Bacillus for Starch Digestion
- Positive (+) reaction: Clear area near streak
B => Hydrogen Peroxide (H2O2)
- Used in Bacillus for Catalase production
- Positive (+) reaction: Bubbles
C => Oxidase
- Used with Neisseria
- Positive (+) reaction – blue black
- Negative (-) reaction – no change
D & E =>Voges - Proskauer reagents
- Used for Voges-Proskauer Test
- Alpha Naphtol
- Potassium Hydroxide
F => Methyl Red
- Used for Methyl red test
- Red is positive for acid
- Negative – no change
G => Kovac's
- Used for Indole production
- Positive (+) reaction – Red ring
- Negative (-) reaction – no change (no ring)