Letheen-Broth Base modified

200

medium granules (dehydrated (DCM))

GranuCult^®

microbiological culture: suitable

7.0-7.4 (25 ℃, 37.8 g/L in H₂O, after autoclaving)

37.8 g/L

cosmetics
microbiology

15-25℃

Enterococcus spp.
Escherichia coli
Pseudomonas spp.
Salmonella spp.
Staphylococcus spp.

Appearance (clearness): turbid
Appearance (colour): brown
pH-value (25 °C): 7.0 - 7.4
Inoculum on reference medium (Enterococcus faecalis ATCC 29212 (WDCM 00087)): ≤ 100
Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)): ≤ 100
Inoculum on reference medium (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)): ≤ 100
Inoculum on reference medium (Staphylococcus aureus ATCC 25923 (WDCM 00034)): ≤ 100
Inoculum on reference medium (Staphylococcus epidermidis ATCC 12228 (WDCM 00036)): ≤ 100
Inoculum on reference medium (Salmonella typhimurium ATCC 14028 (WDCM 00031)): ≤ 100
Growth (Enterococcus faecalis ATCC 29212 (WDCM 00087)): good to very good
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): good to very good
Growth (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)): good to very good
Growth (Staphylococcus aureus ATCC 25923 (WDCM 00034)): good to very good
Growth (Staphylococcus epidermidis ATCC 12228 (WDCM 00036)): good to very good
Growth (Salmonella typhimurium ATCC 14028 (WDCM 00031)): good to very good
Incubation: 24 to 48 hrs.; 35 °C; aerobic.

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.

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

11 - Combustible Solids

WGK 3