50738
GN Enrichment Broth
suitable for microbiology, NutriSelect® Plus
Synonym(s):
Gram Negative Broth
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About This Item
UNSPSC Code:
41171607
NACRES:
NA.74
Recommended Products
shelf life
limited shelf life, expiry date on the label
Quality Level
composition
dipotassium hydrogen phosphate, 4 g/L
D(+)-glucose, 1 g/L
D-mannitol, 2 g/L
mixed peptone, 20 g/L
potassium dihydrogen phosphate, 1.5 g/L
sodium chloride, 5 g/L
sodium citrate, 5 g/L
sodium deoxycholate, 0.5 g/L
manufacturer/tradename
NutriSelect® Plus
final pH
7.0±0.2 (37 °C)
application(s)
microbiology
Application
For the selective cultivation of gram-negative intestinal bacteria in particular shigellae from all types of material, acc. to Hajna (1955).
Recommended by the "Schweizerisches Lebensmittelbuch" 5th ed., chapter 56A.
Recommended by the "Schweizerisches Lebensmittelbuch" 5th ed., chapter 56A.
Other Notes
Comparison of selective media for coliphage assay in sewage effluent and lake water
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
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J E Kennedy et al.
Applied and environmental microbiology, 49(1), 33-36 (1985-01-01)
Selective media, including EC medium, gram-negative broth, nutrient broth (with 0.05% sodium deoxycholate), and lactose broth (with 0.05% sodium deoxycholate), as well as nonselective nutrient and lactose broths, were compared for the enumeration of coliphages by the agar layer method
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