429b .
CHOCOLATE AGAR
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Equipment needed:
Autoclave
Final pH:
n.d.
Select a strain (optional):
ml
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
|
Columbia agar base | 1000 | ml | ||
|
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Horse blood | 10 | % | ||
| 1 Mix autoclaved Columbia agar base solution with 10% horse or sheep blood, keep at 80°C for 10 min. Mix well and pour plates after cooling to 50°C. Rehydrate pellets of freeze-dried ampoules in liquid medium 220, 215 or 1. | |||||
Main sol. 1 #
1000
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
|
Peptone | 5 | g | ||
|
|
Meat extract | 3 | g | ||
|
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Agar , for solid medium | 15 | g | ||
|
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Distilled water | 1000 | ml | ||
| 1 Adjust pH to 7.0. | |||||
| 2 For Bacillus strains the addition of 10.0 mg MnSO4 x H2O is recommended for sporulation. | |||||
Main sol. 220 #
1000
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
|
Casein peptone | 15 | g | ||
|
|
Soy peptone | 5 | g | ||
|
|
NaCl | 5 | g | ||
|
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Agar | 15 | g | ||
|
|
Distilled water | 1000 | ml | ||
| 1 Adjust pH to 7.3. Medium is identical with Tryptone Soya Agar (Oxoid CM 131). | |||||