Recommended Products
Agency
APHA
Quality Level
sterility
non-sterile
form
granular
manufacturer/tradename
GranuCult® plus
technique(s)
microbiological culture: suitable
pH
6.6-7.0 (30 °C, 27 g/L in H2O, after autoclaving)
solubility
27 g/L
bulk density
550 kg/m3
application(s)
food and beverages
microbiology
storage temp.
15-25°C
suitability
Bacillus spp.
Analysis Note
Appearance
- clearness:
clear
- colour: violet
pH-value (25 °C): 6.6 - 7.0
Growth
- Staphylococcus aureus ATCC 25923 (WDCM 00034):
fair to very good
- Enterococcus faecalis ATCC 11700: good to very good
- Bacillus cereus ATCC 11778 (WDCM 00001): good to very good
- Bacillus coagulans ATCC 7050 (WDCM 00002): good to very good
- Escherichia coli ATCC 25922 (WDCM 00013): good to very good
- Alcaligenes faecalis ATCC 19209: fair to very good
- Bacillus stearothermophilus ATCC 7953: good to very good
Colour change to yellow
- Staphylococcus aureus ATCC 25923 (WDCM 00034):
+
- Enterococcus faecalis ATCC 11700: +
- Bacillus cereus ATCC 11778 (WDCM 00001): +
- Bacillus coagulans ATCC 7050 (WDCM 00002): +
- Escherichia coli ATCC 25922 (WDCM 00013): +
- Alcaligenes faecalis ATCC 19209: -
- Bacillus stearothermophilus ATCC 7953: +
Incubation: 24 hrs.; 35 °C; aerobic; B. stearothermophilus at 60 °C.
- clearness:
clear
- colour: violet
pH-value (25 °C): 6.6 - 7.0
Growth
- Staphylococcus aureus ATCC 25923 (WDCM 00034):
fair to very good
- Enterococcus faecalis ATCC 11700: good to very good
- Bacillus cereus ATCC 11778 (WDCM 00001): good to very good
- Bacillus coagulans ATCC 7050 (WDCM 00002): good to very good
- Escherichia coli ATCC 25922 (WDCM 00013): good to very good
- Alcaligenes faecalis ATCC 19209: fair to very good
- Bacillus stearothermophilus ATCC 7953: good to very good
Colour change to yellow
- Staphylococcus aureus ATCC 25923 (WDCM 00034):
+
- Enterococcus faecalis ATCC 11700: +
- Bacillus cereus ATCC 11778 (WDCM 00001): +
- Bacillus coagulans ATCC 7050 (WDCM 00002): +
- Escherichia coli ATCC 25922 (WDCM 00013): +
- Alcaligenes faecalis ATCC 19209: -
- Bacillus stearothermophilus ATCC 7953: +
Incubation: 24 hrs.; 35 °C; aerobic; B. stearothermophilus at 60 °C.
Footnote
We offer two media types: the superior granulated GranuCult® and the cost-efficient powdered NutriSelect® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.
Legal Information
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Certificates of Analysis (COA)
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