توضیحات
Preparation
- Weigh 57 grams of the powder and dissolve it in 1 liter of distilled water.
- Heat it gently for 1 minute until the medium is completely dissolved.
- Autoclave in 121 degree Celsius for 15 minutes.
- After autoclave allow it to cool down to a temperature of 50 degrees Celsius and pour in strile petri dishes.
STORAGE:
Store dehydrated medium below 30 °C and prepared medium at 2-8 °C. The best time to use is before the expiration date printed on the product label.
Quality Control
Quality Control
Dehydrated Appearance: Pink, free-flowing, homogeneous
Prepared Appearance: clear and red.
Cultural response was observed after 24 hours of incubation at 35 ± 2˚C.
Culture medium |
Colony color |
Recovery Rate |
ATCC |
Organism |
Yellow
|
Yellow
|
Good
|
25922
|
Escherichia coli
|
Red
|
Pink
|
Good
|
14028
|
Salmonella typhimurium
|
Yellow
|
Yellow
|
Not limited
|
25923
|
Staphylococcus aureus
|
Yellow
|
Yellow
|
Not limited
|
33186
|
Enterococcus faecalis
|
Yellow
|
Orange/Yellow
|
Not limited
|
6633
|
Bacillus subtilis
|