Hefeweizen Ale Yeast

This popular German strain is used in the production of traditional, authentic hefeweizen. It produces a high level of isoamyl acetate, giving the resulting beer notes of banana. With balanced phenol production, this strain produces notes of clove but remains banana forward. Low flocculation leaves the desired cloudy look, appropriate for the German wheat beer style. Pitching rate and temperature will dramatically affect the flavor and aroma of this strain. Traditional brewing techniques suggest underpitching to produce more classic characteristics of the style.

Pitch Rate Calculator

Curious about brewing with this strain? White Labs Brewing Co has the data you need!

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American Hefeweizen Ale Yeast

This strain ferments much cleaner than it’s hefeweizen strain counterparts. It produces very slight banana and clove notes and has low flocculation, leaving resulting beers with characteristic cloudiness.

Pitch Rate Calculator

Curious about brewing with this strain? White Labs Brewing Co has the data you need!

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Von Degenberg Hefe Blend


This culture pays homage to the history of wheat beer in Germany, and celebrates an individual who was granted the authority to violate the norms and traditions of brewing at the time, largely set by the German Purity Law.

In the tradition of bucking the norm, Von Degenberg Hefe Blend also goes against what brewers might expect in a hefeweizen culture. Expect a perfect balance of the typical hefeweizen esters and phenols from the two "traditional" brewing strains, augmented with more complex phenols and enhanced aromatics contributed by two characterful and fragrant wild yeast.


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Hefeweizen IV Ale Yeast

This strain produces a balance of phenolics and esters. Nutmeg, clove, and spice are more dominant than the banana and bubble gum aroma. Pitching rate and temperature will dramatically affect the flavor and aroma of this strain. Traditional brewing techniques suggest underpitching to produce more classic characteristics of the style. This strain has low flocculation and minor sulfur production.

Pitch Rate Calculator

Curious about brewing with this strain? White Labs Brewing Co has the data you need!

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New Nordic Ale Yeast

Isolated from spontaneously fermented apples on a remote island off the coast of Denmark in the fall of 2009, this culture is a unique blend of three yeast strains (two belonging to Saccharomyces cerevisiae and one Torulaspora delbrueckii). Although originally thriving in the simple sugar fermentations such as wine and cider, this blend ferments maltose as well and has been used to make a series of true New Nordic Beers. This blend has a specific aroma profile, especially at higher temperatures, that resemble classic styles such as Belgian saison or German hefeweizen.

Pitch Rate Calculator

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White Labs Copenhagen APS

Organic Yeast produced by White Labs Copenhagen 

White Labs Copenhagen ApS produces over 50 White Labs yeast strains and bacteria in certified organic format for European professional brewers and homebrewers, distillers and winemakers from our facilities in Copenhagen, Denmark. We also supply White Labs dry yeast to European professionals and homebrewers, along with stocking the entire portfolio of White Labs yeast strains in professional sizes.
White Labs Copenhagen yeast is certified organic in accordance with the regulations of the EU, USDA and Danish authorities. We ship to the entire European market directly from our production facility in Copenhagen, Denmark, with overnight delivery available to most non-remote locations across Europe. 

White Labs Copenhagen strains cover virtually any beer style imaginable from IPAs, Hazies, lagers, stouts, Wits, Hefeweizens, Saisons, Kveik, dubbels, trippels, and other Belgian styles, and on and on.   

Ordering across Europe

For European customers, ordering directly from White Labs Copenhagen means:

  • Convenient and efficient ordering for all European customers
  • Overnight express courier delivery across Europe:
    • Easy intra-EU shipping (no customs issues!)
    • Minimal fuss for non-EU European orders (full compliance with UK, Norway, Switzerland customs for easy importing from the EU)

Order directly at
www.yeastman.com, email your orders to [email protected] or simply call us directly on +45 31615142.!


The full selection of White Labs Copenhagen organic liquid yeast is available directly from White Labs Copenhagen in the White Labs pure 70ml homebrew packaging format, along with WLP001 Dry California Ale Yeast in 11g sachets.  
  • Homebrewers: White Labs Copenhagen currently only sells business-to-business to European customers. Please contact your local homebrew supplier  
  • Retailers/suppliers: If you are interested in offering White Labs homebrew products, please contact White Labs Copenhagen customer service for more information: [email protected] or +45 31615142.

Lab Services

If you are having any quality control issues in your fermentations, products or at your facility, our lab is available to assist in identifying and solving potential issues. Contact us for a free 30 min online consultation where we will assist in identifying possible causes and talk through options available to you. Contact us directly at [email protected] or call us on +45 31615142.

Private Strain Banking

You can bank your private strains directly with White Labs Copenhagen. Additionally, our lab can assist you with isolating strains and identifying the contents of your cultures on a project basis. Email [email protected] for more information.

Innovation Campus Europe (ICE)

At our dedicated research facility in Copenhagen, Denmark, we conduct a wide array of fermentation innovation & development research supporting the food & beverage industry pertaining to any process where microorganisms play a vital role. Projects and products include innovative uses of fermentation in food, upcycling food side-streams, alternative beverages, like Kombucha, low and non-alcoholic beer, biotransformation, lactic acid bacteria for non-dairy cheese, green malt fermentation. Don’t hesitate to contact us directly if you would like to discuss possible collaborations.

ORGANIC YEAST STRAINS produced by White Labs Copenhagen

Check out our Organic Strains Here

Yeast Nutrients & Enzymes
White Labs Copenhagen stocks a wide range of nutrients & enzymes in professional sizes to help improve and optimize your brews, including:

WLN2000 SeltzerMax
WLN2500 FanMaxBio
WLE3000 Candy
WLE3100 Time
WLE3200 No-D
WLN3500 Servomyces

WLE4000 Clarity Ferm
WLE4100 Ultra Ferm


Danish Food and Veterinary Association Control Report

White Labs Copenhagen is an inspected and approved organic production facility. Read the report here.

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Term Definition
Acidity Acidity refers to the perceived tartness of the beer. The most common acid in regular beer fermentation is lactic acid. Lactic acid bacteria (LAB) is commonly used in sour beers.
Alcohol Tolerance Here is a common classification of alcohol by volume percentages brewers yeast can survive in:
* Low (2-5%)
* Medium (5-10%)
* Medium to High (8-12%)
* High (10-15%)
* Very High (15%+)
* Varies
Ale Ale is a broad category of beer which uses yeast known as Saccharomyces cerevisiae. In addition to being suitable for beer brewing, Saccharomyces cerevisiae includes strains of bread yeast, distiller's yeast and many laboratory yeast strains. Also known as top-fermenting yeast, brewers distinguish ale yeast by their behavior and flavor production. Ale yeast are typically used above 65°F and 18°C.
Attenuation Attenuation is the percentage of sugars yeast consume during fermentation. Attenuation ranges are shown on each of our White Labs strains to help further your selection. Be sure to keep in mind the ranges are approximate. Several factors such as: mash profile, temperature, nutrients and oxygenation will affect the actual attenuation for each beer.
Bacteria Bacteria in brewing are usually described as spoilage organisms. The bacteria intentionally used in brewing are most known for their acid production and ability to make "sour" beers.
Diacetyl Generally undesirable, this byproduct of fermentation is characterized by a buttery, butterscotch-like aroma and slick mouthfeel. Diacetyl levels can vary from strain to strain. To minimize the diacetyl attributes in beer, it is recommended that the fermenting wort rest once the beer has reached terminal gravity for 48 hours at 62-70°F prior to crashing the temperature. This stage allows the yeast to reabsorb the diacetyl. 
Enzyme Enzymes are proteins that catalyze a reaction. Most of the chemical reactions that occur in brewing are catalyzed by enzymes, which are found in malt and yeast. Other enzymes, while not required for brewing, can have a helpful impact. Enzymes are active at very specific temperatures, and they can be denatured (unfold) very easily when the temperature is too high for optimal activity. Once unfolded, they will not reform into an active enzyme.

For a full list of enzymes White Labs provides: Click Here
Ester An ester is a volatile compound formed from an organic acid and an alcohol. It is esters that provide the fruity aromas and flavors that are found in some beer styles. Ester production vary from strain to strain
Fermentation Fermentation in beer is the process of yeast converting sugars into alcohol, carbon dioxide, and a variety of flavor and aroma compounds.
Flocculation Flocculation refers to the clumping of yeast cells and falling out of suspension at the end of fermentation often resulting in a clear beer. Strains are usually separated into three main degrees of flocculation - Low, Medium, and High. An example of a highly flocculent strain would be our WLP002 English Ale Yeast, which will settle at the bottom of the fermentation tank while WLP300 German Hefeweizen Ale Yeast being a low flocculant strain will stay in suspension much longer creating haze in a beer.
Fusel Alcohol Fusel Alcohols are a form of alcohol which is a natural byproduct of yeast metabolism. Fusel Alcohols are usually described as warming, hot, and solvent flavors. Yeast strains vary in fusel alcohol production. In general, fermentation conditions that promote cell growth, such as temperature, aeration, and nitrogen, result in higher levels of fusel alcohols.
Gravity Gravity is the amount of extracts in wort or beer. Extract is a combination of solids such as sugars, proteins, lipids, and minerals. The amount of extracts help determine how much alcohol can be produced by the yeast. Brewers sometimes refer to this unit as specific gravity, plato, or brix. The higher the gravity, the more alcohol can be created with proper yeast health and nutrition.
Lager Lager yeast is usually known as Saccharomyces pastorianus. Sometimes referred to as bottom fermenting yeast, lager strains have the ability to ferment melibiose and ferment at cooler temperatures (48-55°F). 
Lagering/Conditioning Lagering is a beer’s maturation step, done after fermentation temperature, where beer is cooled to refrigeration temperatures. Usually performed with beers utilizing lager yeast, this maturation step allows yeast to clean up the beer as well as allowing solids to precipitate out of solution.
Nutrient Nutrients consisting of amino acids, vitamins, and minerals are essential parts of a healthy fermentation. Not all fermentations are equivalent
when it comes to nutrient availability and also vary for various yeast nutrient requirements.

For a full list of nutrients White Labs provides: Click Here
Oxygen Oxygen promotes yeast sterol production needed for lipids in yeast growth. Lack of dissolved oxygen at the start of fermentation can cause stuck or long fermentations, under attenuated beers, yeast stress,and off flavors. Proper levels of dissolved oxygen is just as important as using proper pitching rates. The usual dissolved oxygen rate is 8 to 10 parts per million(ppm) but can change depending on wort composition and yeast pitching rates.
Pellicle A pellicle is a thin biofilm usually created by wild yeast and bacteria in the presence of oxygen. A pellicle can appear as a film reminiscent of bubbles or become spider web-like and its formation is expected by select organisms.
Phenol Phenolic compounds are hydroxylated aromatic carbon rings that can be described as clove-like, smoky, spicy, and medicinal. The two most common phenolic compounds are 4-vinyl guaiacol(4-VG) and 4-ethyl guaiacol(4-EG), these compounds are produced when the yeast have an intact phenolic off-flavor gene(POF+). This aroma can be typical for a beer style or could be considered an off-flavor.
Pitch Rate Pitch rate is a measurement of yeast added to wort or must. Pitch rates vary for style and beverage. Underpitching affects flavor more while overpitching negatively affects yeast health over generations. See the White Labs pitch rate calculator for additional information.
Primary Fermentation Primary Fermentation indicates the initial phase of fermentation where yeast growth happens and most of the wort sugars are consumed.
PurePitch® PurePitch® is White Labs' state of the art packaging technology, with our patented FlexCell™ technology. White Labs yeast is propagated in all-malt wort, providing the perfect nutrients for growth and optimal performance. Our breathable FlexCell™ technology also reduces risk of contamination by growing and delivering yeast in the same package.
Residual Sweetness Residual sweetness is caused by the sugars remaining post-fermentation. Beers with high residual sweetness will usually have a fuller body and taste sweeter.
SCOBY SCOBY is a Symbiotic Culture Of Bacteria and Yeast used to ferment teas (typically green or black varieties) into kombucha.

For more information about how to use our SCOBY: Click Here
Secondary Fermentation Secondary fermentation occurs after primary fermentation when the rate of fermentation decreases. Usually beer is racked off into a secondary vessel where aroma and flavor can mellow and yeast can settle out of suspension. For sour beers, usually wild yeast and bacteria are added during this stage.
STA1+ The STA1 gene (glucoamylase), a potential indicator of Saccharomyces cerevisiae var. diastaticus. These strains have the ability to utilize some dextrins (unfermentable sugars) into fermentable sugars. At White Labs, we do everything possible to detect for undesired organisms within our process and cultures. The strains we carry with known Saccharomyces cerevisiae var. diastaticus genetics have been researched and validated to perform without excessive over-attenuating, which is possible through our nearly 25 years of experience paired with internal and external fermentation data. .
Strain A strain is a subtype within a species. Think of this as all dogs are the same species, but each type of dog is a different strain. Strains can serve different purposes and styles in the brewing world. Visit the Yeast Bank to see White Labs collection of strains.
Sulfur Yeast produce sulfur compounds, such as rotten egg or lit match aromas during fermentation, but these compounds are volatile enough that strong fermentation activity drives them from solution along with CO2. The key to reducing sulfur compounds is to have an active healthy fermentation.
The Vault The Vault® is White Labs collection of unique and specialty yeast strains. They are available to all White Labs customers through the Vault Preorder, as well as seasonal strains and direct professional brewery orders. Lead times and minimum order quantity may apply.
Viability Viability refers to yeast being alive or dead. If 5% of yeast in a given culture is dead the culture is 95% viable. The most common method for measuring viability is using a specific stain and microscopy to visually count a representative sample.
Wild Yeast In brewing, wild yeast generally refers to genus of yeast that has not undergone the domestication of traditional brewers yeast like Saccharomyces cerevisiae and pastorianus. Wild yeast can also be in reference to yeasts unintended in a fermentation.
Yeastman Yeastman is White Labs’ custom-built tracking and ordering technology. Yeastman tracks yeast throughout the building, regularly updates data between the internal and online systems, and provides up-to-the minute availability information for employees and customers alike. Yeastman is a Registered Trademark owned by White Labs that allows customers access to the entire White Labs catalog, online ordering, and access to all the testing data for your account and for your yeast. Yeastman also offers customized options for your account - including private strains, payment options, and varied shipping preferences. It is the largest online marketplace for specialty brewing yeast and related products. For more information go to https://yeastman.com/

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