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Merck
CN

51463

Urea Broth

suitable for microbiology, NutriSelect® Basic

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About This Item

NACRES:
NA.74
UNSPSC Code:
41171606
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Product Name

Urea Broth, suitable for microbiology, NutriSelect® Basic

sterility

non-sterile

product line

BioChemika

form

powder

shelf life

limited shelf life, expiry date on the label

composition

dipotassium hydrogen phosphate, 9.5 g/L
phenol red, 0.01 g/L
potassium dihydrogen phosphate, 9.1 g/L
urea, 20 g/L
yeast extract, 0.1 g/L

manufacturer/tradename

NutriSelect® Basic

technique(s)

microbe id | specific enzyme detection: suitable
microbiological culture: suitable

final pH

6.8±0.2 (25 °C)

application(s)

clinical testing
environmental
food and beverages

microbiology

suitability

nonselective and identification for Enterobacter spp.
nonselective and identification for Escherichia coli
nonselective and identification for Klebsiella spp.
nonselective and identification for Proteus spp.
nonselective and identification for Salmonella spp.
nonselective and identification for coliforms
nonselective and identification for enterobacteriaceae

Quality Level

Application

Differential medium for the detection of urea-utilizing microorganisms, acc. to Rustigian and Stuart (1941).

Other Notes

Adaption of urea broth for radiosterilization
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.

Preparation Note

Dissolve 38.7 g in 1 litre distilled water and filter sterilize. This medium must NOT be heated.

Legal Information

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

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

动植物来源培养基
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W.W. Feguson et al.
The Journal of Laboratory and Clinical Medicine, 28, 1715-1715 (1943)
R. Rustigian et al.
Proceedings of the Society For Experimental Biology and Medicine. Society For Experimental Biology and Medicine, 47, 108-108 (1941)
E Eisenberg et al.
The Journal of applied bacteriology, 58(1), 21-25 (1985-01-01)
Urea broth, a medium used for the identification of the genus Proteus, was sterilized by gamma radiation, using radiation doses of 1-1.5 Mrad. The radiation-sterilized medium, modified by adding sodium ascorbate and increasing its phenol red and yeast extract content

Articles

Salmonella, with 2,300+ serotypes, causes half of food-borne illnesses, often from dairy, poultry, and eggs.

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

沙门氏菌污染是全球食源性疾病的第二大成因。控制沙门氏菌的暴发是食品监管机构、餐馆和整个食品工业的一项重要任务。沙门氏菌家族包括2300多种血清型的细菌,但其中有两种类型,即肠炎沙门氏菌和鼠伤寒沙门氏杆菌,约占所有人类感染的一半。大多数沙门氏菌的暴发可以追溯到乳制品、家禽和肉制品,但沙门氏菌几乎可以在任何食物上生长。鸡、鸡蛋及其衍生产品的风险特别高。

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。

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