Recommended Products
Quality Level
form
powder (dehydrated (DCM))
manufacturer/tradename
GranuCult®
technique(s)
microbiological culture: suitable
pH
7.2 (35 °C, 72 g/L in H2O, after autoclaving)
bulk density
540 kg/m3
application(s)
food and beverages
microbiology
storage temp.
15-25°C
suitability
Streptococcus spp.
Analysis Note
Appearance (clearness): clear
Appearance (colour): violet
Solidification behaviour (2 hrs., 45 °C): liquid
pH-value (25 °C): 7.0 - 7.4
Growth (Enterococcus faecalis ATCC 11700): good to very good
Growth (Enterococcus faecalis ATCC 19433 (WDCM 00009)): good to very good
Growth (Enterococcus hirae ATCC 8043 (WDCM 00089)): good to very good
Growth (Streptococcus pyogenes ATCC 12344): none to fair
Growth (Streptococcus agalactiae ATCC 13813): none to fair
Growth (Lactobacillus plantarum ATCC 8014): none to fair
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): none
Growth (Enterobacter cloacae ATCC 13047 (WDCM 00083)): none
Growth (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)): none
Red colonies (Enterococcus faecalis ATCC 11700): +
Red colonies (Enterococcus faecalis ATCC 19433 (WDCM 00009)): +
Red colonies (Enterococcus hirae ATCC 8043 (WDCM 00089)): +(poor)
Red colonies (Streptococcus pyogenes ATCC 12344): -
Red colonies (Streptococcus agalactiae ATCC 13813): -
Red colonies (Lactobacillus plantarum ATCC 8014): -
Colour change to yellow (Enterococcus faecalis ATCC 11700): +
Colour change to yellow (Enterococcus faecalis ATCC 19433 (WDCM 00009)): +
Colour change to yellow (Enterococcus hirae ATCC 8043 (WDCM 00089)): +
Colour change to yellow (Streptococcus pyogenes ATCC 12344): -
Colour change to yellow (Streptococcus agalactiae ATCC 13813): -
Colour change to yellow (Lactobacillus plantarum ATCC 8014): -
Incubation: 48 hrs.; 35 °C; aerobic.
Appearance (colour): violet
Solidification behaviour (2 hrs., 45 °C): liquid
pH-value (25 °C): 7.0 - 7.4
Growth (Enterococcus faecalis ATCC 11700): good to very good
Growth (Enterococcus faecalis ATCC 19433 (WDCM 00009)): good to very good
Growth (Enterococcus hirae ATCC 8043 (WDCM 00089)): good to very good
Growth (Streptococcus pyogenes ATCC 12344): none to fair
Growth (Streptococcus agalactiae ATCC 13813): none to fair
Growth (Lactobacillus plantarum ATCC 8014): none to fair
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): none
Growth (Enterobacter cloacae ATCC 13047 (WDCM 00083)): none
Growth (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)): none
Red colonies (Enterococcus faecalis ATCC 11700): +
Red colonies (Enterococcus faecalis ATCC 19433 (WDCM 00009)): +
Red colonies (Enterococcus hirae ATCC 8043 (WDCM 00089)): +(poor)
Red colonies (Streptococcus pyogenes ATCC 12344): -
Red colonies (Streptococcus agalactiae ATCC 13813): -
Red colonies (Lactobacillus plantarum ATCC 8014): -
Colour change to yellow (Enterococcus faecalis ATCC 11700): +
Colour change to yellow (Enterococcus faecalis ATCC 19433 (WDCM 00009)): +
Colour change to yellow (Enterococcus hirae ATCC 8043 (WDCM 00089)): +
Colour change to yellow (Streptococcus pyogenes ATCC 12344): -
Colour change to yellow (Streptococcus agalactiae ATCC 13813): -
Colour change to yellow (Lactobacillus plantarum ATCC 8014): -
Incubation: 48 hrs.; 35 °C; aerobic.
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.
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
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Chronic 3
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Certificates of Analysis (COA)
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