70189

Violet Red Bile Glucose Agar

suitable for microbiology, NutriSelect^® Plus

• Synonym(s): VRBG-Agar
• UNSPSC Code: 41171606
• NACRES: NA.85

Properties

• Agency: according to ISO 21528-1:2017; according to ISO 21528-2:2017
• Quality Level: 200
• sterility: non-sterile
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: agar, 13.0 g/L ; bile salts, 1.5 g/L ; crystal violet, 0.002 g/L ; dextrose, 10.0 g/L ; neutral red, 0.03 g/L ; peptone (from gelatin), 7.0 g/L ; sodium chloride, 5.0 g/L ; yeast extract, 3.0 g/L
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• final pH: 7.4±0.2 (25 °C)
• application(s): agriculture; bioburden testing; environmental; food and beverages; water monitoring; microbiology
• suitability: selective and differential for Citrobacter spp.; selective and differential for Enterococcus spp.; selective and differential for Escherichia coli; selective and differential for Klebsiella spp.; selective and differential for Proteus spp.; selective and differential for Salmonella spp.; selective and differential for Shigella spp.; selective and differential for coliforms; selective and differential for enterobacteriaceae

Description

Application

A selective medium for the isolation and enumeration of enterobacteria.

Preparation Note

Suspend 39.5g in 1 litre of distilled water and let soak. Bring to the boil to fully dissolve the powder. Sterilize by boiling for 1 minute with frequent agitation. DO NOT AUTOCLAVE. Prolonged heating in thermostatic bath could cause slight precipitates.

Other Notes

Enumeration of Enterobacteriaceae in milk

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

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves