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MilliporeSigma

Wallerstein Nutrient Broth (WLN)

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Used to detect bacteria, yeast and mold in worts, beers, and other fermentation products.

Key Appications

  • Beer
  • Beverage Analysis
  • Bottled Water
  • Cider
  • Clinical Lab
  • Cosmetics
  • Environmental Analysis
  • Food and Beverage
  • Industrial QC
  • Soft Drink
  • Sport Drink
  • Wine

Product Information
Applicable Device

• MF-method
• Microfil
• Milliflex
• MicropreSure

Type of Test

• Food and Beverage

Applications
Application

• Beer
• Beverage Analysis
• Bottled Water
• Cider
• Clinical Lab
• Cosmetics
• Environmental Analysis
• Food and Beverage
• Industrial QC
• Soft Drink
• Sport Drink
• Wine

Key ApplicationsMULTISTIRRER Digital 6 3.6 W MULTISTIRRER Digital 15 9 W
WeightMULTISTIRRER Digital 6 1.75 Kg (3.8 lb) MULTISTIRRER Digital 15 2.1 Kg (4.6 lb)
Dimensions (WxHxD)MULTISTIRRER Digital 6 230x51.5x370 mm (9.0x2.0x14.4 in) MULTISTIRRER Digital 15 230x51.5x370 mm (9.0x2.0x14.4 in)
Biological Information
Organism AppearanceBacterial colonies can appear non-pigmented to white, with a smooth or rough texture. Yeast appear as creamy, white larger colonies.
Pre-filled agar mediaWallerstein (WLD)
QC Organisms L. fermentum (ATCC 9338)
S. cerevisiae (ATCC 9763)
Target Microorganisms• Lactic acid bacteria, yeast and mold
Incubation Temperature35 °C ± 2 for bacteria; 30 °C ± 2 for yeasts and molds
Incubation Time48–72 hrs
Media ColorGreen blue, slightly opalescent
Media FormLiquid
Physicochemical Information
pH at 25 °CpH5.5 ± 0.2
Dimensions 
Volume2 mL
Product Usage Statements
Certificate Included, Y/NY
Storage and Shipping Information
Storage Temperature2 to 10 °C
Shelf Life12 months
Packaging Information
Number Tests/Pk50
Material Size50
Material Package2 mL plastic ampoules

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Product Detail
Thomas No.
C802K50
Mfr. No.
MHA000P2N
Description
Wallerstein Nutrient Broth (WLN), 2mL plastic ampoules
list price/quantitytotal
$0.00
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Product C802K50 is restricted and can only be purchased by customers with a web profile linked to a Thomas Business Account - Click here to login or create your web profile. If you do not have a Thomas Business Account, please Contact Us and someone will respond with details on how to apply for a business account with us.

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