Friday, May 1, 2009

Reagents


A => Iodine
  • 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)