Yeast Nitrogen Base is formulated according to Wickerham's specifications. It contains all the essential vitamins, inorganic salts, and trace elements required for the vigorous growth of yeasts, with the exception of a carbon source and specific amino acids. This medium is particularly useful for identifying yeast species by testing their ability to utilize different carbohydrates. Additionally, it serves as a defined liquid medium for susceptibility testing with antifungal drugs in clinical and research microbiology.
Advantages
- Chemically defined formulation ensuring highly reproducible results.
- Part of the NutriSelect® Plus product line, offering standard quality control for reliable routine analysis.
- Versatile application in clinical testing, food and beverage analysis, and pharmaceutical microbiology.
- Supports selective growth for various fungi (e.g., Candida, Saccharomyces, and Pichia spp.) due to its low pH.
Technical specifications
| Catalogue number |
51483 |
| Product line |
NutriSelect® Plus |
| Form |
Powder |
| Final pH |
5.4 ± 0.5 (25 °C) |
| Quality Level |
200 |
| Key Ingredients (g/L) |
Ammonium sulfate (5.0), Potassium phosphate monobasic (1.0), Magnesium sulfate (0.5), Sodium chloride (0.1), Calcium chloride (0.1) |
| Vitamins and Trace Elements |
Biotin, Calcium pantothenate, Folic acid, Inositol, Niacin, p-Aminobenzoic acid, Pyridoxine HCl, Riboflavin, Thiamine HCl, and various trace salts |
| Storage temperature |
2–25 °C (dehydrated powder) |
Available packaging options
| 51483-100G |
100 g plastic bottle |
