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40689

Millipore

Violet Red Bile Agar acc. GB

suitable for microbiology, NutriSelect® Plus

Synonym(s):

VRB-Agar, VRBA, VRBL-Agar, Violet Red Bile Lactose Agar

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About This Item

UNSPSC Code:
41171606
NACRES:
NA.74

Agency

according to GB 4789.3-2016

Quality Level

100

form

powder

shelf life

limited shelf life, expiry date on the label

composition

agar, 15 g/L
bile salt or No.3 bile salt, 1.5 g/L
crystal violet, 0.002 g/L
lactose, 10 g/L
neutral red, 0.03 g/L
peptone, 7 g/L
sodium chloride, 5 g/L
yeast extract, 3 g/L

manufacturer/tradename

NutriSelect® Plus

application(s)

environmental
food and beverages
microbiology

suitability

coliforms

Related Categories

Application

A selective medium for the detection and enumeration of coliform organisms, especially the Coli-aerogenes-group in water, milk and other dairy products.

Preparation Note

Suspend 41.5 g in 1 litre of distilled water and let it sock for 5 minutes. Bring to boil and distribute into plates or tubes. Sterilization at 121°C for 15 minutes is optional, but if the medium is to be used on the same day of preparation it need to be sterilized. No sterilization improves the recovery of the stressed microorganisms.

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.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

WGK

WGK 3

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