DEV Tryptophan Broth

200

powder (dehydrated (DCM))

GranuCult^®

microbe id | specific enzyme detection: suitable
microbiological culture: suitable

food and beverages
microbiology

15-25℃

Escherichia coli
coliforms

FOR MICROBIOLOGY

Appearance (clearness): clear
Appearance (colour): yellowish-brown
pH-value (25 °C): 7.0 - 7.4
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): good to very good
Indole formation (Escherichia coli ATCC 25922 (WDCM 00013)): +
Growth (Escherichia coli ATCC 11775 (WDCM 00090)): good to very good
Indole formation (Escherichia coli ATCC 11775 (WDCM 00090)): +
Growth (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): good to very good
Indole formation (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): -
Growth (Proteus mirabilis ATCC 14153): good to very good
Indole formation (Proteus mirabilis ATCC 14153): -
Growth (Salmonella typhimurium ATCC 14028 (WDCM 00031)): good to very good
Indole formation (Salmonella typhimurium ATCC 14028 (WDCM 00031)): -
Incubation:4 -6 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