不含乳糖的紫红胆盐葡萄糖琼脂

NA.85

Violet Red Bile Glucose Agar is used for detection and enumeration of Enterobacteriaceae in food products. It is also recommended by ISO Committee under the specifications 21528-1:2017 and 21528-2:2017.

Suspend 38.53 g in 1 litre distilled water. Heat to boiling to dissolve the medium completely. Do not autoclave. Mix well and pour into sterile petri plates.

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.

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

200

according to ISO 21528-1:2017
according to ISO 21528-2:2017

non-sterile

powder

limited shelf life, expiry date on the label

agar, 12 g/L
bile salt mixture, 1.5 g/L
crystal violet, 0.002 g/L
glucose, 10 g/L
neutral red, 0.03 g/L
peptic digest of animal tissue, 7 g/L
sodium chloride, 5 g/L
yeast extract, 3 g/L

NutriSelect^® Plus

microbiological culture: suitable

7.4±0.2 (25 ℃)

environmental
food and beverages
water monitoring
microbiology

selective and differential for Enterobacter spp.
selective and differential for Escherichia coli
selective and differential for Salmonella spp.
selective and differential for Shigella spp.
selective and differential for Yersinia spp.
selective and differential for coliforms
selective and differential for enterobacteriaceae

11 - Combustible Solids

WGK 3