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1.00950

Millipore

Chromocult® Enterococci-Agar

Selective culture medium for the isolation and differentiation of Enterococci

Synonyme(s) :

Enterococcus Agar, Chromogenic Enterococci agar

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About This Item

Code UNSPSC :
41106213
Nomenclature NACRES :
NA.74

Niveau de qualité

Forme

medium granules (dehydrated (DCM))

Fabricant/nom de marque

GranuCult®

Technique(s)

microbiological culture: suitable

pH

6.8-7.2 (25 °C, 33 g/L in H2O)

Solubilité

33 g/L

Application(s)

food and beverages
microbiology

Température de stockage

15-25°C

Adéquation

Enterococcus spp.

Description générale

The presence of Enterococci, especially E. faecalis, E. faecium, E. durans and E. hirae, serves as an indicator for fecal contamination. The Enterococci-Agar medium is provided with a unique chromogenic substrate that is acted on by various Enterococci species to produce red colonies that can easily be identified. Non-Enterococci species produce blue/violet, turquoise or even colorless colonies which can easily be distinguished from the red. The medium is also provided with sodium azide and ox bile which inhibits the growth of any accompanying microbial flora.

Application

Chromocult® Enterococci-Agar can be used to isolate, differentiate and enumerate Enterococci present in various foodstuff, water or animal feed. It can also be used as for determination of fecal contamination in foodstuff, water or animal feed

Remarque sur l'analyse

Appearance (clearness): clear
Appearance (color): yellowish
pH-value (25 °C): 6.8 - 7.2
Recovery on test medium (Enterococcus faecium ATCC 882): ≥ 50 %
Recovery on test medium (Enterococcus faecalis ATCC 19433 (WDCM 00009)): ≥ 70 %
Recovery on test medium (Enterococcus durans ATCC 6056): ≥ 70 %
Recovery on test medium (Enterococcus hirae ATCC 8043 (WDCM 00089)): ≥ 70 %
Recovery on test medium (Bacillus cereus ATCC 11778 (WDCM 00001)): ≤ 0.01 %
Recovery on test medium (Escherichia coli ATCC 11775 (WDCM 00090)): ≤ 0.01 %
Recovery on test medium (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)): ≤ 0.01 %
Colony color (Enterococcus faecium ATCC 882): red
Colony color (Enterococcus faecalis ATCC 19433 (WDCM 00009)): red
Colony color (Enterococcus durans ATCC 6056): red
Colony color (Enterococcus hirae ATCC 8043 (WDCM 00089)): red
Colony color (Aerococcus viridans ATCC 10400): pink-red to violet
Growth (Aerococcus viridans ATCC 10400): inhibited
Incubation: 24 hrs.; 35 °C; aerobic.

Informations légales

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

Mentions de danger

Conseils de prudence

Classification des risques

Aquatic Chronic 3

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3


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Articles

Selective media enable faster results and visual confirmation for the detection, identification, and enumeration of microorganisms

Selective media enable faster results and visual confirmation for the detection, identification, and enumeration of microorganisms

Selective media enable faster results and visual confirmation for the detection, identification, and enumeration of microorganisms

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