WL nutrient broth
SIAL/W2261 - suitable for microbiology, NutriSelect® Plus
Synonym: Wallerstein Laboratory Nutrient Broth
Product Type: Chemical
| application(s) | bioburden testing food and beverages |
| microbiology | |
| final pH | 5.5±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 | selective for Candida spp. |
| selective for Escherichia coli | |
| selective for Lactobacillus spp. | |
| selective for Pichia spp. | |
| selective for Proteus spp. | |
| selective for Saccharomyces spp. | |
| selective for Zygosaccharomyces spp. | |
| selective for coliforms | |
| technique(s) | microbiological culture: suitable |
| Application: | Recommended for the cultivation of bacteria encountered in breweries and industrial fermentations. |
| Components: | Ingredients (g/L) Casein enzymatic hydrolysate, 5.00 Yeast extract, 4.00 Dextrose, 50.00 Monopotassium phosphate, 0.55 Potassium chloride, 0.425 Calcium chloride, 0.125 Manganese sulfate, 0.125 Ferric chloride, 0.0025 Manganese sulfate, 0.0025 Bromocresol green, 0.022 |
| 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: | Suspend 60.25 g of WL Nutrient Broth in 1000 ml of distilled water. Boil to dissolve the medium completely. Sterilize by autoclaving at 15 lbs. pressure (121°C) for 15 minutes. If desired to obtain a pH of 6.5 add a 1% solution of sodium bicarbonate (Cat. No. 71627). |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| UNSPSC | 41171607 |