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Charcoal Agar Group Picture

Charcoal Agar

Excl. VAT Incl. VAT
Code: KM0185-500G
  Pack Size List Price Qty  
photo_camera 500g
KM0185-500G
£79.50
Pack: 500g

£79.50

Charcoal agar is used for the cultivation of fastidious organisms, particularly Bordetella pertussis.

Charcoal agar is prepared according to the formulation developed by Mishulow, Sharpe and Cohen.

This medium is an efficient substitute for Bordet-Gengou agar in the production of B. pertussis vaccines and can be used as a maintenance medium for stock cultures of Bordetella spp.

Beef extract and peptone provide the required nitrogen, carbon and vitamins. Sodium chloride maintains the osmotic balance. Starch and charcoal help in absorbing toxic metabolites that are produced during growth of the organism. Nicotinic acid is an essential growth factor for the growth of Bordetella spp. The addition of cephalexin (LS0018) inhibits accompanying contamination in the samples.

NB: This is a basic medium only and contains no additional supplement. If cephalexin is added, it should be noted, that although coliforms are inhibited by this medium, Pseudomonas aeruginosa and some fungi will grow.

Used for the cultivation of fastidious organisms, particularly Bordetella pertussis.

Additional Information

Shelf Life (days): 1095 days

Storage Temp (C): 10-30C

Dehydrated Medium Appearance: Fine Powder

Prepared Medium Appearance: Firm Gel

Dehydrated Medium Colour: Black

Prepared Medium Colour: Black

Dehydrated PH: 7.4±0.2

Prepared PH: 7.4±0.2

Recommended Incubation: Aerobically (with high humidity) at 35-37C for up to 4 days

Formula*g/L

Beef extract: 10.0

Peptone: 10.0

Starch: 10.0

Charcoal: 4.0

Sodium chloride: 5.0

Nicotinic acid: 0.001

Agar: 12.0

Total: 51.0

*Adjusted/supplemented as required to meet performance requirements

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