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1.05411

Millipore

GranuCult® prime Reinforced clostridial medium (RCM)

according to EP, according to USP, according to JP, for Clostridium spp., suitable for microbiology

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Synonym(s):
Clostridium differential medium, RCA Agar, RCM

agency

according to EP
according to JP
according to USP

Quality Level

form

medium granules (dehydrated (DCM))

packaging

pkg of 500 g

manufacturer/tradename

GranuCult® prime

storage condition

dry media (Keep tightly closed)

technique(s)

microbiological culture: suitable

application(s)

food and beverages
microbiology

storage temp.

15-25°C

suitability

Clostridium spp.

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MacCONKEY agar for the isolation of Salmonella, Shigella and coliform bacteria (According harm. EP/USP/JP)

1.05465

MacCONKEY agar

Clostridial Nutrient Medium suitable for microbiology, NutriSelect® Basic

27546

Clostridial Nutrient Medium

suitability

Clostridium spp.

suitability

Salmonella spp., Shigella spp., coliforms

suitability

anaerobic bacteria

suitability

anaerobic bacteria, nonselective for Bacillus spp., nonselective for Clostridium spp., nonselective for Escherichia coli, nonselective for Staphylococcus spp., nonselective for coliforms

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

technique(s)

-

technique(s)

microbiological culture: suitable

application(s)

food and beverages, microbiology

application(s)

microbiology
pharmaceutical

application(s)

pharmaceutical
sterility testing

application(s)

agriculture
clinical testing
environmental
food and beverages
sample preparation, microbiology

manufacturer/tradename

GranuCult® prime

manufacturer/tradename

GranuCult®

manufacturer/tradename

-

manufacturer/tradename

NutriSelect® Basic

Quality Level

200

Quality Level

200

Quality Level

400

Quality Level

100

General description

GranuCult® prime Reinforced clostridial medium (RCM) be used to initiate growth from small inoculum and to obtain the highest viable count of Clostridia. It can be used as the conventional medium for studies of spore-forming anaerobes, especially Clostridium butyricum in cheese, and for the enumeration and isolation of Clostridia. Other spore-forming anaerobes like streptococci and lactobacilli grow as well on this media. Casein hydrolysate, beef extract, yeast extract, and peptone provide nitrogen, vitamins, amino acids, and carbon for growth. Dextrose is a fermentable sugar, and sodium chloride ensures osmotic balance. The medium is free from inhibitors and contains cysteine as a reducing agent. Sodium acetate is the buffering agent. Polymyxin B can be added to inhibit Gram-negative bacteria and to make the medium more selective. Culture conditions include incubation at 35-37°C for 40-48 hours in an anaerobic atmosphere.

Application

GranuCult® prime Reinforced clostridial medium (RCM) is suitable for the cultivation and enumeration of clostridia, other anaerobes, and facultative microorganisms in foodstuffs and other materials.

Features and Benefits

  • GranuCult® offers superior granulated culture media
  • 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 allows many supplements to be included, with no need to add these separately

Analysis Note

Appearance (clearness): clear
Appearance (colour): yellowish
pH-value (25 °C): 6.6 - 7.0
Typical composition (g/litre): Meat extract 10.0; Peptones 10.0; Yeast extract 3.0; D(+)Glucose 5.0; Starch 1.0; Sodium chloride 5.0; Sodium acetate 3.0; L-Cysteinium chloride 0.5; Agar-agar 0.5
Growth promotion test in accordance with the harmonised method of EP, USP and JP.
Inoculum on reference medium (Clostridium sporogenes ATCC 11437): ≤ 100
Inoculum on reference medium (Clostridium sporogenes ATCC 19404 (WDCM 00008)): ≤ 100
Inoculum on reference medium (Clostridium perfringens ATCC 10543): ≤ 100
Inoculum on reference medium (Clostridium novyi ATCC 17861): ≤ 100
Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)): ≤ 100
Growth (Clostridium sporogenes ATCC 11437): +
Growth (Clostridium sporogenes ATCC 19404 (WDCM 00008)): +
Growth (Clostridium perfringens ATCC 10543): +
Growth (Clostridium novyi ATCC 17861): +
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): +
Incubation: 48 hrs.; 30-35°C; Clostridia: anaerobic
The Information above is current at this time of publication and is subject to change without notice (except for customers holding a change control agreement with our company). The information/format can be altered at any time and inany way if internal company matters or Standard Regulationsdo say so.

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

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