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MacConkey Broth Purple

NutriSelect® Plus, suitable for microbiology

Synonym(s):

MacConkey Bromocresol purple Broth, MacConkey G Broth

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About This Item

UNSPSC Code:
41171606
NACRES:
NA.85

sterility

non-sterile

Quality Level

200

form

powder

shelf life

limited shelf life, expiry date on the label

composition

bile salts, 5.0 g/L
bromoresol purple, 0.01 g/L
lactose, 10.0 g/L
peptone, 20.0 g/L
sodium chloride, 5.0 g/L

manufacturer/tradename

NutriSelect® Plus

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 Enterobacter 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 Serratia spp.
selective and differential for Shigella spp.
selective and differential for coliforms
selective and differential for enterobacteriaceae

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Application

MacConkey Broth Purple is a differential medium used for the detection of coliforms in water samples and milk examination by MPN technique. It is a modification of the classic medium, where neutral red is replaced by a less aggressive indicator, according European Pharmacopoeia. It is also recommended by ISO Committee under the specification ISO 9308-2:1990.

Preparation Note

Suspend 40 g in 1000 ml distilled water. Dispense in test tubes with inverted Durham tubes. Sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes.

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Lot/Batch Number

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Articles

Selective Growth Media for Differentiation and Detection of Escherichia coli and Other Coliforms

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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service