Recommended Products
Quality Level
form
medium granules (dehydrated (DCM))
manufacturer/tradename
GranuCult®
technique(s)
microbiological culture: suitable
pH
7.1-7.3 (35 °C, 28 g/L in H2O, after autoclaving)
solubility
28 g/L
bulk density
640 kg/m3
application(s)
food and beverages
microbiology
storage temp.
15-25°C
suitability
Escherichia coli
coliforms
Related Categories
Analysis Note
Appearance (clearness): clear
Appearance (colour): violet
pH-value (25 °C): 7.0 - 7.4
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): good to very good
Growth (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): good to very good
Growth (Salmonella typhimurium ATCC 14028 (WDCM 00031)): good to very good
Growth (Proteus hauseri ATCC 13315): good to very good
Growth (Enterococcus faecalis ATCC 11700): good to very good
Colour change to yellow (Escherichia coli ATCC 25922 (WDCM 00013)): +
Colour change to yellow (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): +
Colour change to yellow (Salmonella typhimurium ATCC 14028 (WDCM 00031)): -
Colour change to yellow (Proteus hauseri ATCC 13315): -
Colour change to yellow (Enterococcus faecalis ATCC 11700): +/-
Gas (Escherichia coli ATCC 25922 (WDCM 00013)): +
Gas (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): +
Gas (Salmonella typhimurium ATCC 14028 (WDCM 00031)): -
Gas (Proteus hauseri ATCC 13315): -
Gas (Enterococcus faecalis ATCC 11700): -
Incubation: 40-48 hrs.; 35 °C; aerobic.
Appearance (colour): violet
pH-value (25 °C): 7.0 - 7.4
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): good to very good
Growth (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): good to very good
Growth (Salmonella typhimurium ATCC 14028 (WDCM 00031)): good to very good
Growth (Proteus hauseri ATCC 13315): good to very good
Growth (Enterococcus faecalis ATCC 11700): good to very good
Colour change to yellow (Escherichia coli ATCC 25922 (WDCM 00013)): +
Colour change to yellow (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): +
Colour change to yellow (Salmonella typhimurium ATCC 14028 (WDCM 00031)): -
Colour change to yellow (Proteus hauseri ATCC 13315): -
Colour change to yellow (Enterococcus faecalis ATCC 11700): +/-
Gas (Escherichia coli ATCC 25922 (WDCM 00013)): +
Gas (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): +
Gas (Salmonella typhimurium ATCC 14028 (WDCM 00031)): -
Gas (Proteus hauseri ATCC 13315): -
Gas (Enterococcus faecalis ATCC 11700): -
Incubation: 40-48 hrs.; 35 °C; aerobic.
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
11 - Combustible Solids
wgk_germany
WGK 3
Certificates of Analysis (COA)
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