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Merck
CN

51405

麦康凯琼脂（无盐）

NutriSelect® Plus, powder, pH 7.4±0.2 (25 °C), for bacteria, pkg of 500 g, suitable for microbiology

别名:

麦康凯琼脂（无盐和结晶紫）

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NACRES:
NA.85
UNSPSC Code:
41171606
Manufacturer/tradename:
NutriSelect® Plus
Ph:
7.4±0.2 (25 °C)
Form:
powder
Suitability:
Acinetobacter spp., bacteria, selective and differential for Enterococcus spp., selective and differential for Escherichia coli, selective and differential for Proteus spp., selective and differential for Salmonella spp., selective and differential for Shigella spp., selective and differential for Staphylococcus spp., selective and differential for coliforms, selective and differential for enterobacteriaceae
Application(s):
clinical testing
environmental
food and beverages, microbiology

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sterility

non-sterile

form

powder

Quality Level

200

application(s)

clinical testing
environmental
food and beverages, microbiology

suitability

Acinetobacter spp., bacteria, selective and differential for Enterococcus spp., selective and differential for Escherichia coli, selective and differential for Proteus spp., selective and differential for Salmonella spp., selective and differential for Shigella spp., selective and differential for Staphylococcus spp., selective and differential for coliforms, selective and differential for enterobacteriaceae

shelf life

limited shelf life, expiry date on the label

composition

agar, 12 g/L , bile salts, 5 g/L , lactose, 10 g/L , neutral red, 0.075 g/L , peptone, 20 g/L

packaging

pkg of 500 g

manufacturer/tradename

NutriSelect® Plus

technique(s)

microbiological culture: suitable

color

dark red

pH

7.4±0.2 (25 °C)

相关类别

General description

MacConkey-Agar (without salt) is a powdered, non-sterile differential medium designed for microbiological applications. It is formulated without salt and crystal violet, making it suitable for culturing a wide range of microorganisms. The medium consists of agar, bile salts, lactose, neutral red, and peptone, which provide essential nutrients and selective properties for bacterial growth.

Application

MacConkey-Agar (without salt) is used for the detection, isolation, and differentiation of coliforms and intestinal pathogens, including Escherichia coli, Salmonella, Shigella, Proteus, and other Enterobacteriaceae. It is particularly useful for culturing urine specimens that may contain large numbers of Proteus species, as the medium restricts their swarming behavior. This media is ideal for clinical testing, environmental monitoring, food and beverage safety, and general microbiological research.

Preparation Note

Suspend 47 g in 1 litre of distilled water. Bring to the boil to dissolve completely. Sterilize by autoclaving at 121°C for 15 minutes. Pour into sterile petri plates. Dry the surface of the gel before inoculation.

Other Notes

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

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCM8978
BCCM3715
BCCL9927
BCCL7505
BCCJ9879

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Gastroduodenal dysfunction and bacterial colonisation of the ventilated lung.
Inglis, Timothy JJ, et al.
Lancet, 341.8850, 911-913 (1993)
A.E. Greenberg et al.
Standard Methods for Examination of Water and Wastewater (1985)

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