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Merck
CN

70188

Violet Red Bile Agar

NutriSelect® Plus, according to ISO 4832, powder, for Enterobacter spp., pack of 500 g, suitable for microbiology

Synonym(s):

VRB Agar, VRBL-Agar

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About This Item

NACRES:
NA.74
UNSPSC Code:
41171606
Manufacturer/tradename:
NutriSelect® Plus
Agency:
according to ISO 4832
Form:
powder
Suitability:
Enterobacter spp., selective and differential for Escherichia coli, selective and differential for coliforms
Application(s):
agriculture
bioburden testing
environmental
food and beverages
water monitoring, microbiology
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Quality Level

agency

according to ISO 4832

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

composition

agar, 12.0 g/L , bile salts, 1.5 g/L , crystal violet, 0.002 g/L , lactose, 10.0 g/L , neutral red, 0.03 g/L , peptone, 7.0 g/L , sodium chloride, 5.0 g/L , yeast extract, 3.0 g/L

packaging

pack of 500 g

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

Enterobacter spp., selective and differential for Escherichia coli, selective and differential for coliforms

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 38.5 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 needs to be sterilized. But through sterilization may the medium is going to be turbid. No sterilization improves the recovery of the stressed microorganisms.

Other Notes

Recommended by the American Public Health Association (APHA); Studies on coliform bacteria
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

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


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Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

动物来源培养基

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Protocols

根据EN-ISO 8523:1991和EN-ISO 4832:1991分别对食品中肠杆菌进行检测和计数的一般指南。

General guidance for the detection and enumeration of Enterobacteriaceae in food according to EN-ISO 8523:1991 and EN-ISO 4832:1991, respectively.

Articles

有关用于分化和检测大肠杆菌和其他大肠菌群的选择性生长培养基的一篇文章。

Microbiological assessment of bacteria found in spices, a potent source for food spoilage and pathogens.

An article concerning selective growth media for differentiation and detection of Escherichia coli and other coliforms.


G. Suhren
Milchwiss., 45, 139-139 (1990)
J.G. Davis
Milk Testing, 131-131 (1951)
F.I.L./I.D.F., Milchwiss., 29, 602-602 (1974)



Global Trade Item Number

SKUGTIN
1294820-300MG04061838726261
3541-100GM07790788049454
3541-1KG04055977193305
104090000504022536047379
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PHR1359-500MG04061835233816
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V900456-25G04061833470145
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3541-10KG04055977193312
3541-1GM04055977193299
3541-25GM04055977193336
3541-5GM07790788049461
104090050004022536047393
G6013-100G04061833611098
G6013-10G04061833638736
G6013-5G04061833638750