Tryptophan Broth
SIAL/09136 - NutriSelect® Plus, suitable for microbiology
Synonym: Tryptone/Tryptophan Medium
Product Type: Chemical
agency | according to ISO 10273:2017 |
according to ISO 16654:2001 | |
according to ISO 6579-1:2017 | |
application(s) | environmental food and beverages water monitoring |
microbiology | |
composition | |
casein enzymic hydrolysate, 10.0 g/L | |
sodium chloride, 5.0 g/L | |
final pH | 7.5±0.2 (25 °C) |
form | powder |
manufacturer/tradename | NutriSelect® Plus |
Quality Level | 200 |
shelf life | limited shelf life, expiry date on the label |
sterility | non-sterile |
suitability | Escherichia coli |
coliforms |
Application: | Medium to perform the indole test to confirm E. coli in water acc. EN IS0 9308-1:2000. |
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 |
Legal Information: | NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany |
Preparation Note: | Dissolve 16g Tryptophan Broth in one liter water by heating. Dispense 3 ml per test tube. Close the tubes with cotton plugs, plastic or metal caps. Autoclave for 15 min at 121 ± 3°C. |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
UNSPSC | 41171607 |