1.10863
Tetrathionate enrichment broth base acc. to MULLER-KAUFFMANN
for microbiology
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About This Item
UNSPSC Code:
41106213
NACRES:
NA.74
Recommended Products
Quality Level
form
medium granules (dehydrated (DCM))
manufacturer/tradename
GranuCult®
technique(s)
microbiological culture: suitable
pH
7.6 (37 °C, 82 g/L in H2O, after autoclaving)
solubility
82 g/L
bulk density
1100 kg/m3
application(s)
food and beverages
microbiology
storage temp.
15-25°C
suitability
Salmonella spp.
Analysis Note
Appearance (clearness): turbid with sediment
Appearance (colour): green
Inoculum (Escherichia coli ATCC 25922 (WDCM 00013)): about 99 %
Inoculum (Salmonella typhimurium ATCC 14028 (WDCM 00031)): about 1 %
Enrichment from a mixed inoculum after 6 hours (Escherichia coli ATCC 25922 (WDCM 00013)):
Enrichment from a mixed inoculum after 6 hours (Salmonella typhimurium ATCC 14028 (WDCM 00031)):
Enrichment from a mixed inoculum after 24 hours (Escherichia coli ATCC 25922 (WDCM 00013)): ≤ 5 %
Enrichment from a mixed inoculum after 24 hours (Salmonella typhimurium ATCC 14028 (WDCM 00031)): ≥ 95 %
Incubation: 35 °C; aerobic; detection with BROLACIN agar.
Appearance (colour): green
Inoculum (Escherichia coli ATCC 25922 (WDCM 00013)): about 99 %
Inoculum (Salmonella typhimurium ATCC 14028 (WDCM 00031)): about 1 %
Enrichment from a mixed inoculum after 6 hours (Escherichia coli ATCC 25922 (WDCM 00013)):
Enrichment from a mixed inoculum after 6 hours (Salmonella typhimurium ATCC 14028 (WDCM 00031)):
Enrichment from a mixed inoculum after 24 hours (Escherichia coli ATCC 25922 (WDCM 00013)): ≤ 5 %
Enrichment from a mixed inoculum after 24 hours (Salmonella typhimurium ATCC 14028 (WDCM 00031)): ≥ 95 %
Incubation: 35 °C; aerobic; detection with BROLACIN agar.
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 3
Certificates of Analysis (COA)
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