Details

• Columbia CNA Agar

  Per liter*:

• 
  
  • Casein Digest Peptone: 5.0g
  • Corn Starch: 1.0g
  • Peptic Digest of Animal Tissue: 8.0g
  • Sodium Chloride: 5.0g
  • Yeast Enriched Peptone: 10.0g
  • Colistine: 0.015g
  • Nalidixic Acid: 0.010g
  • Agar: 14.0g
• 
  *Grams per liter may be adjusted or formula supplemented to obtain desired performance.

  
  

  Mix 44 grams of the medium in a liter of purified water until evenly dispersed. Heat with repeated stirring and boil for one minute to dissolve completely. Distribute and autoclave at 121°C for 15 minutes. Prepare 5 to 10% blood agar by adding the appropriate volume of sterile defibrinated blood to melted sterile agar medium, cooled to 45-50°C. Dispense into petri dishes or tubes.