1.00610

WL Nutrient Medium, modified

suitable for microbiological culture, for yeasts, for bacteria

• Synonym(s): Wallerstein Laboratory Nutrient Medium, modified
• NACRES: NA.74
• UNSPSC Code: 41106200

Properties

• technique(s): microbiological culture: suitable
• Quality Segment: 200
• pH: 5.3-5.7 (25 °C, 37 g/L in H₂O), 6.5 ± 0.2 (25 °C)
• solubility: 37 g/L
• bulk density: 730 kg/m³
• application(s): food and beverages; microbiology
• storage temp.: 15-25°C
• suitability: bacteria, yeasts

Description

General description

WL (Wallerstein Laboratory) Nutrient Medium (modified) is a modification of WL Nutrient Medium for the microbiological quality control employed in the beer-brewing industry.
WL Nutrient Medium has been modified by increasing the pH and reducing glucose concentration to facilitate the cultivation of a broad range of yeasts and bacteria from raw materials and the brewing industry environment.

Application

WL Nutrient Medium (modified) is suitable for the isolation and enumeration of yeasts and bacteria during microbiological control in the brewing industries.

Other Notes

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: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable