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MacCONKEY broth

1.05396

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Analytical Chemistry

105396

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Key Documents

• SDS

• COA/COQ

• Specification Sheet

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1.05396

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MacCONKEY broth

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GranuCult® prime, USP, EP, JP, granular, suitable for food and beverages

Synonym(s):

Granulated MacConkey broth, MACCONKEY broth, MacConkey Bromocresol purple Broth, MacConkey G Broth, MacConkey medium

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500 G

€182.00

About This Item

UNSPSC Code:

41106213

NACRES:

NA.74

1053960500

€182.00

Availability

Estimated to ship onFebruary 13, 2025

To order products, please contact your local dealer.

Agency

EP
JP
USP

Quality Level

200

form

granular

packaging

pkg of 500 g

manufacturer/tradename

GranuCult® prime

storage condition

(Tightly closed. Dry)

technique(s)

microbiological culture: suitable

color

gray

pH

7.1-7.5 (25 °C, 35 g/L in H2O, after autoclaving)

solubility

35 g/L

bulk density

640 kg/m3

application(s)

food and beverages
microbiology

storage temp.

15-25°C

suitability

Escherichia coli
Salmonella spp.
enterobacteriaceae

General description

MacConkey broth is a selective culture medium containing lactose. Upon degradation, lactose forms acid and gas, indicating the presence of E. coli. The gas formed is collected in Durham tubes. A change in the color of the pH indicator bromocresol purple to yellow indicates acid production. Ox bile promotes the growth of several species of intestinal bacteria and inhibits the growth of other microorganisms that do not inhabit the intestine.

Application

MacConkey broth is suitable for presumptive tests for Escherichia coli and coliform bacteria and for determining the E. coli or coliform titer of milk, water, and other materials. This medium complies with the specifications given by the harmonized methods of EP, USP, JP for Microbial Examination of Non-sterile Products: Tests for Specified Microorganisms.

Features and Benefits

• Safe and sustainable due to reduced risks associated with fine dust and toxic substance inhalation, resulting in a safer work environment.

• Excellent wettability, solubility, and free flowing properties

• Convenient, with minimal component separation and clumping, even under warm or humid conditions

• High batch-to-batch reproducibility

• Prolonged shelf life of up to five years

• High number of test strains exceeding all regulatory demands

• Granulation technology allowing many supplements to be included, with no need to add these separately

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