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Merck
CN

1.12588

Lauryl Sulfate Broth + MUG

FluoroCult®, according to ISO 11866, FDA-BAM, GB 478936, granular, for coliforms, pkg of 500 g

别名:

Coliform selective agar, Fluorocult® Lauryl sulfate broth, Fluorocult® Laurylsulfate-bouillon, LST-MUG Medium

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NACRES:
NA.74
UNSPSC Code:
41106213
Manufacturer/tradename:
FluoroCult®
Agency:
FDA-BAM, GB 478936, according to ISO 11866
Ph:
6.6-7.0 (25 °C, 36.5 g/L in H2O, after autoclaving)
Form:
granular
Suitability:
Enterobacter spp., Escherichia coli, Klebsiella spp., coliforms
Application(s):
food and beverages
microbiology

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agency

FDA-BAM, GB 478936, according to ISO 11866

form

granular

packaging

pkg of 500 g

manufacturer/tradename

FluoroCult®

storage condition

protect from light (Keep tightly closed and dry)

technique(s)

microbiological culture: suitable

color

beige

pH

6.6-7.0 (25 °C, 36.5 g/L in H2O, after autoclaving)

solubility

36.5 g/L

application(s)

food and beverages
microbiology

storage temp.

15-25°C

suitability

Enterobacter spp., Escherichia coli, Klebsiella spp., coliforms

Quality Level

200

相关类别

General description

Fluorocult® Lauryl sulfate broth + MUG (acc. ISO 11866 and FDA-BAM) is used to examine Escherichia coli in food, milk, and milk products. The lauryl sulfate inhibits the growth of undesirable microbial flora. The presence of E. coli is indicated by fluorescence under a long-wavelength UV lamp. A positive indole reaction and gas formation due to the fermentation of lactose confirm the results.

Application

Fluorocult® Lauryl sulfate broth + MUG is suitable for the examination of E. coli in food, milk, and milk products.

Features and Benefits

  • Fluorocult® fluorogenic culture media offer Rapid and Reliable culture testing
  • Powerful alternatives to conventional microbiological methods for the rapid and sensitive detection of bacteria
  • 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

Analysis Note

Appearance (clearness): clear
Appearance (color): yellowish to yellowish-brown
pH-value (25 °C): 6.6 - 7.0
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012)): ≤ 100
Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)): ≤ 100
Inoculum on reference medium(Escherichia coli NCTC 13216 (WDCM00202)): ≤ 100
Inoculum on reference medium (Citrobacter freundii ATCC 43864 (WDCM 00006)): ≤ 100
Inoculum on reference medium (Enterococcus faecalis ATCC 19433 (WDCM 00009)): ≥ 1E+04
Inoculum on reference medium (Enterococcus faecalis ATCC 29212 (WDCM 00087)): ≥ 1E+04
Growth(Escherichia coli ATCC 8739 (WDCM 00012)): good to very good
Growth Escherichia coliATCC 25922 (WDCM 00013): good to very good
Growth (Escherichia coli NCTC 13216 (WDCM00202)): good to very good
Growth (Citrobacter freundii ATCC 43864 (WDCM 00006)): good to very good
Growth (Enterococcus faecalis ATCC 19433 (WDCM 00009)): total to partial inhibition
Growth (Enterococcus faecalis ATCC 29212 (WDCM 00087)): total to partial inhibition
Gas (Escherichia coli ATCC 8739 (WDCM 00012)): +
Gas (Escherichia coli ATCC 25922 (WDCM 00013)): +
Gas (Escherichia coli NCTC 13216 (WDCM 00202)): +
Gas (Citrobacter freundii ATCC 43864 (WDCM 00006)): +
Gas (Enterococcus faecalis ATCC 19433 (WDCM 00009)): -
Gas (Enterococcus faecalis ATCC 29212 (WDCM 00087)): -
Fluorescence (Escherichia coli ATCC 8739 (WDCM 00012)): +
Fluorescence (Escherichia coli ATCC 25922 (WDCM 00013)): +
Fluorescence (Escherichia coli NCTC 13216 (WDCM 00202)): +
Fluorescence (Citrobacter freundii ATCC 43864 (WDCM 00006)): -
Fluorescence (Enterococcus faecalis ATCC 19433 (WDCM 00009)): -
Fluorescence (Enterococcus faecalis ATCC 29212 (WDCM 00087)): -
Indole formation (Escherichia coli ATCC 8739 (WDCM 00012)): +
Indole formation (Escherichia coli ATCC 25922 (WDCM 00013)): +
Indole formation (Escherichia coli NCTC 13216 (WDCM 00202)): +
Indole formation (Citrobacter freundii ATCC 43864 (WDCM 00006)): -
Indole formation (Enterococcus faecalis ATCC 19433 (WDCM 00009)): -
Indole formation (Enterococcus faecalis ATCC 29212 (WDCM 00087)): -
Incubation: 24 ± 2 to 48 ± 2 hours at 30 ± 1 °C, aerobic

Legal Information

FLUOROCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

存储类别

11 - Combustible Solids

wgk

WGK 2

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Microbial Detection Using Chromogenic and Fluorogenic Culture Media

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

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