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Wyeast Lab is a company which makes and sells yeast for homebrewers as well as breweries. They have dozens of yeast strains available:

Contents

[edit] Ale Yeast

[edit] 1007 German Ale Yeast

True top cropping yeast, low ester formation, broad temperature range affects styles. Will ferment cold; 55° F range, (13° C) producing lager characteristics including sulfur production. Style is noted for dry, crisp characteristics. Fermentation at higher temperatures (70-75° F, 21-24° C) may produce some mild fruitiness. Extremely poor flocculating yeast, generally remains significantly in suspension without treatment or filtration. Pad filtration is often difficult. Brewer's benefit from DE filtration or centrifuging. Maturation: Beers mature fairly rapid, even when cold fermentation is used. Low or no detectable diacetyl, alcohol tolerance approximately 11% ABV. Flocculation - low; apparent attenuation 73-77%. (55-68° F, 13-20° C)

According to this post on a German homebrewing board, this yeast strain originated in one of the finest Altbier Pubs in Duesseldorf: "Zum Uerige"

[edit] 1010 American Wheat Yeast

A dry fermenting, true top cropping yeast which produces a dry, slightly tart, crisp beer. Ideal for beers where a low ester profile is desirable, a good alternative for Alts and Kölsch, along with American Style Hefeweizen. Flocculation - low; apparent attenuation 74-78%. (58-74º F, 14-23° C)

[edit] 1028 London Ale Yeast

Rich with a dry finish, minerally profile, bold and crisp, with some fruitiness. Often used for higher gravity ales and when a high level of attenuation is desired for the style. Flocculation - medium; apparent attenuation 73-77%. (60-72° F, 15-22° C)

[edit] 1056 American Ale Yeast

Very clean crisp flavor characteristics. Low fruitiness and mild ester production. Slightly citrus like with cool 60-66º F, (15-19º C) fermentation temperatures. Versatile yeast, which produces many beer styles allowing malt and hop character to dominate the beer profile. Flocculation is moderate. Flocculation improves with dark malts in grain bill. Normally requires filtration for bright beers. DE or Pad filtration recommended. Flocculation - low to medium; apparent attenuation 73-77%. (60-72° F, 15-22° C)

[edit] 1084 Irish Ale Yeast

This yeast ferments extremely well in dark roast worts. Beers fermented in the lower temperature range produce dry and crisp beers to fruity beers with nice complexity in the upper range. Ester production is enhanced and rich with fermentation temperatures above 64º F, (18º C). Flocculation is low to moderate with filtration typically required. Alcohol tolerance is approximately 10-11% ABV. Flocculation - medium; apparent attenuation 71-75%. (62-72° F, 16-22° C)

[edit] 1098 British Ale Yeast

The original dried yeast from Whitbread. Produces beers with a clean neutral finish allowing malt and hop character to dominate. Ferments dry & crisp, slightly tart, fruity and well-balanced. Ferments well down to 65°F (18° C). Flocculation - medium; apparent attenuation 73-75%. (64-72° F, 18-22° C)

[edit] 1099 Whitbread Ale Yeast

A mildly malty and slightly fruity fermentation profile; not as tart and dry as 1098 and much more flocculent. Clears well without filtration. Low fermentation temperatures will produce a clean finish with a very low ester profile. Flocculation - high; apparent attenuation 68-72%. (64-75º F, 18-24° C)

[edit] 1187 Ringwood Ale Yeast

Great Yeast of European origin with unique fermentation and flavor characteristics. Distinct fruit ester and high flocculation provide a malty complex profile, also clears well. Thorough diacetyl rest is recommended after fermentation is complete. Flocculation - high; apparent attenuation 68-72%. (64-74º F, 18-23° C)

[edit] 1214 Belgian Ale Yeast

Abbey-style top-fermenting yeast, suitable for high-gravity beers. Estery, great complexity with very good alcohol tolerance. Flocculation - medium; apparent attenuation 72-76%. (58-78° F, 14-24° C)

[edit] 1272 American Ale Yeast II

Fruitier and more flocculent than 1056, slightly nutty, soft, clean, slightly tart finish. Accentuates hop character at warmer fermentation temperatures with intense fruitiness. Flocculation - high; apparent attenuation 72-76%. (60-72° F, 15-22° C)

[edit] 1275 Thames Valley Ale Yeast

Produces classic British bitters, rich complex flavor profile, clean, light malt character, low fruitiness, low esters, well balanced. Flocculation - medium; apparent attenuation 72-76%. (62-72° F, 16-22° C)

[edit] 1318 London Ale Yeast III

From traditional London brewery with great malt and hop profile. True top cropping strain, fruity, very light, soft balanced palate, finishes slightly sweet. Flocculation - high; apparent attenuation 71-75%. (64-74° F, 18-23° C)

[edit] 1332 Northwest Ale Yeast

One of the classic ale strains from the Northwest U.S. Breweries. Produces a malty and mildly fruity ale with good depth and complexity. Flocculation - high; apparent attenuation 67-71%. (65-75° F, 18-24° C)

[edit] 1335 British Ale Yeast II

Typical of British and Canadian ale fermentation profile with good flocculating and malty flavor characteristics, crisp finish, clean, fairly dry. Flocculation - high; apparent attenuation 73-76%. (63-75° F, 17-24° C)

[edit] 1338 European Ale Yeast

From Wissenschaftliche in Munich. Full-bodied complex strain finishing very malty with full bodied profile, very desirable in English Style Brown Ales and Porters. Produces a dense, rocky head during fermentation. Flocculation - high; apparent attenuation 67-71%. (62-72° F, 16-22° C)

[edit] 1388 Belgian Strong Ale Yeast

Classic yeast for style. Robust flavor profile with moderate to high alcohol tolerance. Fruity nose and palate, dry, tart finish. Flocculation - low; apparent attenuation 73-77%. (65-75° F, 18-24° C)

[edit] 1728 Scottish Ale Yeast

Ideally suited for Scottish-style ales, and high-gravity ales of all types. Can be estery with warm fermentation temperatures. Flocculation - high; apparent attenuation 69-73%. (55-75° F, 13-24° C)

[edit] 1737 Flying Dog Ale Yeast

A vigorous fermenter, producing ales with a complex, malty profile. A typical primary fermentation should be complete within 4 to 7 days and total fermentation time can be as little as 16 days. Ensure proper wort aeration to allow for complete attenuation. Apparent attenuation: 68-71%. Flocculation: medium-high. Optimum temp: 65°-72° F

[edit] 1762 Belgian Abbey Yeast II

High gravity yeast with distinct warming character from ethanol production. Slightly fruity with dry finish, low ester profile. Flocculation - medium; apparent attenuation 73-77%. (65-75° F, 18-24° C)

[edit] 1764 Rogue Pacman Yeast

"Pacman is really great yeast; everything about it is good. Pacman attenuates well, is alcohol tolerant, and it produces beers with no diacetyl if the beer is well made. It's very flocculent, which makes it a great choice for bottle conditioning. I ferment almost all my beers at 60 F; once in a while for certain styles I'll ferment as high as 70 F, but never higher. Use lots of oxygen, and a high pitch rate. I never repitch past the 6th generation, and I always use Wyeast Yeast Nutrient" - John Maier, Brewmaster, Rogue Ales

Wyeast 1764-PC ROGUE Pacman Yeast Beer Styles: American Pale Ale, American Amber Ale, American Brown Ale, Brown Porter, Cream Ale, Irish Red Ale, Strong Scotch Ale, Dry Stout, American Stout, Russian Imperial Stout, American IPA, Imperial IPA, American Barleywine, Fruit Beer, Spice/Herb/or Vegetable Beer, Christmas/Winter Specialty Spice Beer, Other Smoked Beer, Wood-Aged Beer Profile: A versatile yeast strain from one of Oregon’s leading craft breweries. Pacman is alcohol tolerant, flocculent, attenuates well and will produce beers with little to no diacetyl. Very mild fruit complements a dry, mineral finish making this a fairly neutral strain. Pacman’s flavor profile and performance makes it a great choice for use in many different beer styles.

Alc. Tolerance 12% ABV Flocculation med-high Attenuation 72-78% Temp. Range 60-72°F (15-22°C)

[edit] 1968 London ESB Ale Yeast

This extremely flocculant yeast produces distinctly malty beers. Attenuation levels are typically less than most other yeast strains making a slightly sweeter finish. Ales produced with this strain tend to be fairly fruity. Fruitiness increased with higher fermentation temperatures 70-74º F, (21-23º C). Diacetyl production is noticeable and a thorough rest; 50-70º F, (10-21º C) is necessary. Yeast traps trub easily and autolysis is possible. A very good cask conditioned ale strain due to thorough flocculation characteristics. Beers become readily bright within days. Brilliant beers easily achieved without any filtration. Alcohol tolerance approximately 9% ABV. Flocculation - high; apparent attenuation 67-71%. (64-72° F, 18-22° C)

[edit] 2565 Kölsch Yeast

True top cropping yeast similar to Alt strains. Produces slightly more fruity/winey characteristics. Fruitiness increases with temperature increase. Low or no detectable diacetyl production. Also ferments well at cold 55-60° F range, (13-16° C). Used to produce quick conditioning pseudo lager beers. Poor flocculating yeast requires filtration to produce bright beers or additional settling time. Flocculation - low; apparent attenuation 73-77%. (56-70° F, 13-21° C)

[edit] Lager Yeast

[edit] 2000 Budvar

Nice malty nose, subtle fruit. Rich malt profile on palate. Finishes malty but dry, well balanced, crisp. Hop character comes through in finish. Flocculation: medium-high; Apparent attenuation: 71-75% (48-56° F, 9-13° C)

[edit] 2001 Urquell

Mild fruit/floral aroma. Very dry and clean on palate with full mouthfeel and nice subtle malt character. Very clean and neutral finish. Flocculation: medium-high; Apparent attenuation: 72-76%. (48-56°F, 9-13° C)

[edit] 2007 Pilsen Lager Yeast

A classic American pilsner strain, smooth, malty palate. Ferments dry and crisp. Flocculation - medium; apparent attenuation: 71-75%. (48-56° F, 9-13° C)

[edit] 2035 American Lager Yeast

Bold, complex and aromatic, good depth of flavor characteristics for a variety of lager beers. Flocculation - medium; apparent attenuation 73-77%. (48-58º F, 9-14° C)

[edit] 2042 Danish Lager Yeast

Rich, Dortmund-style, crisp, dry finish. Soft profile accentuates hop characteristics. Flocculation - low; apparent attenuation 73-77%. (46-56° F, 8-13° C)

[edit] 2112 California Lager Yeast

Particularly suited for producing 19th century-style West Coast beers. Retains lager characteristics at temperatures up to 65° F, (18° C) and produces malty, brilliantly clear beers. Flocculation - high; apparent attenuation 67-71%. (58-68° F, 14-20° C)

[edit] 2124 Bohemian Lager Yeast

A Carlsberg type yeast and most widely used lager strain in the world. Produces a distinct malty profile with some ester character with a crisp finish. Well balanced profile produces a wide range of lager beers. Will ferment in the mid 40's to mid 50's for various beer styles. Benefits from diacetyl rest at 58 F (14 C) for 24 hours after fermentation is complete. Also used for pseudo ale production with fermentations at 75º F, (24º C) which eliminates sulfur production. Flocculation - medium; apparent attenuation 69-73%. (48-58° F, 9-14° C)

[edit] 2206 Bavarian Lager Yeast

Used by many German breweries to produce rich, full-bodied, malty beers. Good choice for Bocks and Dopplebocks. Flocculation - medium; apparent attenuation 73-77%. (46-58° F, 8-14° C)

[edit] 2278 Czech Pils Yeast

Classic pilsner strain from the home of pilsners for a dry, but malty finish. The perfect choice for pilsners and all malt beers. Sulfur produced during fermentation dissipates with conditioning. Flocculation - med.. to high; apparent attenuation 70-74%. (50-58° F, 10-14° C)

[edit] 2308 Munich Lager Yeast

A unique strain, capable of producing fine lagers. Very smooth, well rounded and full-bodied. Benefits from temperature rise for diacetyl rest at the end of primary fermentation. Flocculation - medium; apparent attenuation 73-77%. (48-56° F, 9-13° C)

[edit] 2633 Octoberfest Lager Blend

A blend of lager strains designed to produce a rich, malty, complex and full bodied Octoberfest style beer. Attenuates well while still leaving plenty of malt character and mouth feel. Low in sulfur production. Flocculation - medium-low; apparent attenuation: 73-77%. (48-58° F, 9-14° C)

[edit] Specialty/Belgian Yeast

[edit] 3056 Bavarian Wheat Yeast

Blend of top-fermenting ale and wheat strains producing mildly estery and phenolic wheat beers. Flocculation - medium; apparent attenuation 73-77%. (64-74° F, 18-23° C)

[edit] 3068 Weihenstephan Weizen Yeast

Classic German wheat beer yeast, used by more German Brewers than any other strain in the production of Wheat beer. Properties dominated by banana ester production, phenols and clove like characteristics. Extremely attenuative yeast, which produces a tart thirst quenching finish. Extremely low floccing yeast remains in suspension readily with proteinacous wheat malt. Sometimes used in conjunction with lager yeast and kerausened to finish the beer and improve the overall dryness. High CO2 levels, typically at 2.7 - 3.2 volumes is desirable for best presentation. True top cropping yeast requires full headspace of 33%. Ester formation is significantly affected by aeration and pitching rates. Crystal weisse production typically requires DE filtration, may prove too difficult for Pad filtration only. Flocculation - low; apparent attenuation 73-77%. (64-75° F, 18-24° C)

[edit] 3333 German Wheat Yeast

Subtle flavor profile for wheat yeast with unique sharp tart crispness, fruity, sherry-like palate. Flocculation - high; apparent attenuation 70-76%. (63-75° F, 17-24° C)

[edit] 3463 Forbidden Fruit Yeast

From old Belgian brewery for production of wits to classic grand cru. Phenolic profile with subdued fruitiness. Well balanced estery profile. Flocculation - low; apparent attenuation 73-77% (63-76º F, 17-24° C)

[edit] 3522 Belgian Ardennes Yeast

One of many great beer yeast to produce classic Belgian ales. Phenolics develop with increased fermentation temperatures, mild fruitiness and complex spicy character. Flocculation - high; apparent attenuation 72-76% (65-85º F, 18-29° C)

[edit] 3638 Bavarian Wheat Yeast

Top cropping hefeweizen yeast with complex flavor and aroma. Balance of banana and bubble gum esters with lichi and apple/plum esters and cloviness. Flocculation - low; apparent attenuation 70-76% (64-75º F, 18-24° C)

[edit] 3724 Belgian Saison Yeast

This strain produces intense esters and phenolic characteristics with complex fruitiness. Does not produce significant amount of iso-amyl acetate (banana esters) or bubble gum esters typical of many yeast of this style. Phenol and ester production are influenced by fermentation temperatures. Phenols tend to dissipate as beer matures. This type of yeast benefits from incremental feeding of sugars during fermentation, making suitable conditions for doubles and triples, to ferment to dryness with good alcohol tolerance approximately 11-12% ABV. True top cropping yeast with broad temperature range. Flocculation - medium; apparent attenuation 75-80%. (64-78° F, 18-25° C)

[edit] 3787 Trappist High Gravity

Estery, low phenol producing yeast from small Belgian brewery. Apple, bubble gum and plum like aromas with a dry but fruity finish. Flocculation - medium; apparent attenuation 72-76%. (64-74° F, 18-23° C)

[edit] 3942 Belgian Wheat Yeast

Estery, low phenol producing yeast from small Belgian brewery. Apple, bubble gum and plum like aromas with a dry but fruity finish. Flocculation - medium; apparent attenuation 72-76%. (64-74° F, 18-23° C)

[edit] 3944 Belgian Witbier Yeast

A yeast with complex flavor profile which produces a spicey phenolic character with low ester production. Phenols tend to dominate most flavors and dissipates with age. Ferments fairly dry with a finish which compliments malted and unmalted wheat and oats. Sometimes used in conjunction with lactic acid bacteria to produces a sharper finish. This strain may be a slow starting yeast with true top cropping characteristics. Flocculation is low, with yeast staying suspended with proteins in a well designed beer. Alcohol tolerance approximately 10-11% ABV. Flocculation - medium; apparent attenuation 72-76%. (62-75° F, 16-24° C)

[edit] Brettanomyces and Lactic Cultures

[edit] 5278 Belgian Lambic Blend

Contains a selection of Saccharomyces add non-Saccharomyces which include Belgian style wheat beer yeast, Sherry yeast, two Brettanomyces strains and Lactic Acid Bacteria. While this mixture does not include all possible cultures found in Belgian Lambics, it is representative of the organisms, which are most important for the desirable flavor components of these beer styles. Individual components available from this blend are numbered below. Flocculation - low to medium; apparent attenuation 65-75%. (63-75º F, 17-24° C)

[edit] 5112 Brettanomyces bruxellensis

Wild yeast isolated from brewery cultures in the Brussels region of Belgium. Produces the classic sweaty horse hair character indigenous to beers of this region: gueuze, lambics, sour browns. Ferments best in worts with lower pH after primary fermentation has begun. This strain is generally used in conjunction with S. cerevisiae as well as other wild yeast and lactic bacteria. Produces some acidity and may form a pellicle in bottles or casks. Generally requires 3-6 months aging for flavor to fully develop. Flocculation - medium; apparent attenuation low. (60-75º F, 15-24° C)

[edit] 5526 Brettanomyces lambicus

Wild yeast isolated from Belgian lambic beers. Produces a pie cherry like flavor and sourness along with distinct brett character. Ferments best in worts with reduced pH after primary fermentation has begun, and may form a pellicle in bottles or casks. Works best in conjunction with other yeast and lactic bacteria to produce the classic Belgian character. Generally requires 3-6 months of aging to fully develop flavor characteristics. Flocculation - medium; apparent attenuation low. (60-75º F, 15-24° C)

[edit] 5335 Lactobacillus delbrueckii

Lactic acid bacteria isolated from a Belgian Brewery. This culture produces moderate levels of acidity and is commonly found in many types of beers including gueuze, lambics sour brown ales and Berliner Weisse. Always used in conjunction with S.cerevisiae and often with various wild yeast. (60-95º F, 15-35° C)

[edit] 5733 Pediococcus cerevisiae

Lactic acid bacteria used in the production of Belgian style beers where additional acidity is desirable. Often found in gueuze and other Belgian style beer. High acid producer which usually increases overall acid levels in beer as storage time increases.

[edit] Wine/Mead/Cider Yeast

[edit] 4021 Pasteur Champagne

Used in many white wine fermentations, and also some red wines. Also used for secondary fermentation of barley wine. Ferments crisp and dry, ideal for base wines in champagne making. Low foaming, excellent barrel fermentation and good flocculating characteristics. Dry White Wines, Spumante, Sauvignon Blanc, Semillon, Pinot Blanc, Gewürztraminer.

[edit] 4028 Chateau Red

Ideal for red or white wines, which mature rapidly with Beaujolais type fruitiness, and for bigger reds requiring aging. Low foaming, low sulfur production over a broad temperature range. Cabernet, Red varietals, Gamay Beaujolais, Zinfandel, Rhone, Burgundy and Pinot Noir.

[edit] 4134 Saké

Sake yeast #9 used in conjunction with Koji for making a wide variety of Asian rice based beverages. Full bodied profile with true Sake character. Sake, Nigori, Dai Gingo, Fruit, Plum Wine and Rice Beer.

[edit] 4184 Mead, Sweet

One of two strains for sweet mead making. Leaves 2-3% residual sugar in most mead's. Rich, fruity profile complements fruit-mead fermentation. Use additional nutrients for mead making. Ciders, Cysers, Fruit wines, Ginger ale, Cherry, Raspberry and Peach.

[edit] 4242 Chablis

Produces extremely fruity profile, high ester formation, bready, vanilla notes. Allows fruit character to dominate aroma and flavor profile. Finishes slightly sweet and soft. Fruity white wines, Chardonnay, Chablis, Ciders, Gewurtztraminer, Chenin Blanc, Pinot Gris.

[edit] 4244 Chianti

Rich, very big, bold, well rounded profile. Nice soft fruit character with dry crisp finish. Excellent choice for most Italian grape varieties. Barolo, Barbera, Barbaresco, Nebbiolo, Chianti, Valpolicella, Sangiovese.

[edit] 4267 Bordeaux

Produces distinctive intense berry graham cracker nose, jammy, rich, very smooth complex profile, slightly vinous. Well suited for higher sugar content musts. French Cabernet, Pinot Noir, Merlot, Petit Syrah, Rioja, Valdepenas.

[edit] 4347 Eau de Vie

A very good choice for alcohol tolerance and stuck fermentations. Produces a very clean dry profile, low ester and other volatile aromatics. 21% alcohol tolerance. Cordials, Grappa, Barley Wine, Eau de Vie and Single Malts.

[edit] 4632 Mead, Dry

Best choice for dry mead. Used in many award-winning meads. Low foaming with little or no sulfur production. Use additional nutrients for mead making. Mead, Fruit Mead, Herbal Mead, Dry Ciders, Cysers.

[edit] 4766 Cider

Crisp dry fermenting yeast with big, fruity finish. Creates a nice balance for all types of apples, pears and other fruit or fermentables. Allows fruit character to dominate the profile.

[edit] 4767 Port Wine

Mild toast and vanilla nose. Mild fruit profile with balanced depth and complexity. Very dry finish. Dry red and white wines, add brandy for classic ports. Used for big red wines and high sugar musts.

[edit] 4783 Rüdesheimer

Produces distinct Riesling character. Rich flavor, creamy, fruity profile with nice dry finish and a hint of Riesling sweetness in the aftertaste. Rhine Wines, Fruity Ciders, Riesling, Ice Wine.

[edit] 4946 Zinfandel

Dominating, strong fermentation characteristics. Alcohol tolerant to 18% (v/v). Ideal for Zinfandel, pinot Noir, Syrah or any high sugar must. Good choice for restarting stuck fermentations.

[edit] External Links

Wyeast Lab Home Page

[edit] Navigation

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