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Millipore

DEV TRYPTOPHAN BROTH

suitable for microbiology

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UNSPSC Code:
41106213
NACRES:
NA.74

form

powder (dehydrated (DCM))

Quality Level

manufacturer/tradename

GranuCult®

technique(s)

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

application(s)

food and beverages
microbiology

storage temp.

15-25°C

suitability

Escherichia coli
coliforms

General description

FOR MICROBIOLOGY

Analysis Note

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.

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.

Legal Information

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3


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