1.10859

Tryptone water

suitable for microbiology

• UNSPSC Code: 41106213

Properties

• form: medium granules (dehydrated (DCM))
• Quality Level: 200
• manufacturer/tradename: GranuCult^®
• technique(s): microbiological culture: suitable
• application(s): food and beverages; microbiology
• storage temp.: 15-25°C
• suitability: Escherichia coli

Description

General description

for microbiology

Analysis Note

Appearance (clearness): clear
Appearance (colour): yellowish
pH-value (25 °C): 7.1 - 7.5
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): good to very good
Growth (Proteus hauseri ATCC 13315): fair to good
Growth (Morganella morganii ATCC 25830 (WDCM 00112)): fair to good
Growth (Enterobacter cloacae ATCC 13047 (WDCM 00083)): good to very good
Growth (Salmonella typhimurium ATCC 14028 (WDCM 00031)): fair to very good
Growth (Staphylococcus aureus ATCC 25923 (WDCM 00034)): fair to good
Indole formation (Escherichia coli ATCC 25922 (WDCM 00013)): +
Indole formation (Proteus hauseri ATCC 13315): +
Indole formation (Morganella morganii ATCC 25830 (WDCM 00112)): +
Indole formation (Enterobacter cloacae ATCC 13047 (WDCM 00083)): -
Indole formation (Salmonella typhimurium ATCC 14028 (WDCM 00031)): -
Indole formation (Staphylococcus aureus ATCC 25923 (WDCM 00034)): -
Incubation: 24 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

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1