General description
Bacillus cereus Selective Supplement contains Polymyxin B sulfate in lyophilized form. It suppresses the growth of accompanying bacterial flora during culturing Bacillus cereus.
Application
Bacillus cereus Selective Supplement is an additive for the preparation of MYP Agar Base for the enumeration of Bacillus cereus from food and animal feed.
Linkage
Replaces: 1.09875
Analysis Note
Growth promotion test in accordance to ISO 11133.
Inoculum on reference medium
- Bacillus cereus ATCC 11778 (WDCM 00001):
10 - 100
- Bacillus subtilis ATCC 6633 (WDCM 00003): 10 - 100
Recovery on test medium
- Bacillus cereus ATCC 11778 (WDCM 00001):
≥ 70 %
- Bacillus subtilis ATCC 6633 (WDCM 00003): no limit
Colony colour
- Bacillus cereus ATCC 11778 (WDCM 00001):
pink
- Bacillus subtilis ATCC 6633 (WDCM 00003): yellow
Precipitate
- Bacillus cereus ATCC 11778 (WDCM 00001):
+
- Bacillus subtilis ATCC 6633 (WDCM 00003): -
Growth
- Escherichia coli ATCC 25922 (WDCM 00013):
no growth
- Escherichia coli ATCC 8739 (WDCM 00012): no growth
Incubation: Bacillus 24-48 hrs. 30°c aerobic; other strains 48 hrs. 30°C
Legal Information
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
- UPC:
- 51201647
- Condition:
- New
- Weight:
- 1.00 Ounces
- HazmatClass:
- No
- WeightUOM:
- LB
- MPN:
- 1098750010
