form
powder
shelf life
limited shelf life, expiry date on the label
composition
buffers, 4.5 g/L , casein acid hydrolysate, 1.0 g/L , chromogenic mixture, 0.112 g/L , salts, 2.45 g/L , sodium chloride, 0.5 g/L , yeast extract, 2.0 g/L
manufacturer/tradename
NutriSelect® Plus
final pH
7.0±0.2 (25 °C)
application(s)
agriculture
environmental
food and beverages
veterinary
water monitoring, microbiology
storage temp.
2-8°C
suitability
Escherichia coli, coliforms
Quality Level
Application
For the detection of E. coli by the chromogenic and fluorogenic substrate resorufin-β-D-glucuronic acid methyl ester which has several advatages compared to MUG. E. coli appears as bright pink colony and is red fluorescence at 366 nm light source. In contrast to MUG, RUG is more specific and does not require fluorescent detection.
Preparation Note
Suspend 10.56 grams in 1000 ml distilled water. Heat to boiling to dissolve the medium completely. DO NOT AUTOCLAVE.Cool to 45-50°C. Dispense into sterile tubes or flasks as desired.
Other Notes
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
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany
RUG is a trademark of Biosynth
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
存储类别
11 - Combustible Solids
wgk
WGK 3
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