Tryptone Water
SIAL/70194 - suitable for microbiology, NutriSelect® Plus
Product Type: Chemical
| application(s) | environmental food and beverages sample preparation water monitoring |
| microbiology | |
| composition | sodium chloride, 5.0 g/L |
| tryptone (tryptic hydrolysate of casein), 10.0 g/L | |
| final pH | 7.5±0.2 (25 °C) |
| form | powder |
| manufacturer/tradename | NutriSelect® Plus |
| product line | BioChemika |
| Quality Level | 200  |
| shelf life | limited shelf life, expiry date on the label |
| sterility | non-sterile |
| suitability | nonselective for Enterobacter spp. |
| nonselective for Escherichia coli | |
| nonselective for Proteus spp. | |
| nonselective for Salmonella spp. | |
| nonselective for Staphylococcus spp. | |
| nonselective for bacteria (General Media) | |
| nonselective for coliforms | |
| nonselective for enterobacteriaceae | |
| technique(s) | microbe id | specific enzyme detection: suitable |
| microbiological culture: suitable |
| Application: | A liquid medium for the detection of indole-forming microorganisms due to its high content of tryptophan, it is more reliable than peptone water for this purpose. |
| Application: | Tryptone water is primarily used for the cultivation and maintenance of fastidious aerobic and facultative microorganisms such as Escherichia coli and Pseudomonas species. |
| 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 |
| Other Notes: | Direct plating method for enumeration of E. coli in water |
| Preparation Note: | Add 15 g to 1 litre of distilled water. Mix well, distribute into final containers and sterilize by autoclaving at 121°C for 15 minutes. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| UNSPSC | 41171607 |