Dekkera bruxellensis is a yeast species commonly found in brewery environments. The word is pronounced di-ker-uh bruks-el-en-sis, with emphasis on the first syllable. The first four letters, "dekk", are pronounced like "deck". The "er" in "Dekkera" is pronounced like the "er" in "her". The "x" in "bruxellensis" is pronounced like a "ks" sound, and the stress is on the third-to-last syllable. Its correct spelling is crucial for scientific accuracy in research and identification in beer production.
Dekkera bruxellensis, commonly known as Brettanomyces bruxellensis, is a type of yeast species belonging to the Brettanomyces genus. It is a non-spore forming, non-motile, encapsulated yeast that is able to thrive in a variety of environments, particularly in the presence of low oxygen levels. Dekkera bruxellensis has been frequently associated with fermentation processes, particularly in the production of alcoholic beverages such as beer and wine.
This yeast species is characterized by its ability to ferment complex sugars into alcohol, acetic acid, and other compounds, leading to distinctive flavors and aromas in the finished products. However, when present in excessive amounts or in inappropriate fermentation conditions, Dekkera bruxellensis can lead to off-flavors and spoilage, resulting in a sour or "barnyard" aroma and a distinct taste.
While undesirable in some fermentation processes, there are also instances where the presence of Dekkera bruxellensis is intentionally encouraged to produce specific flavor profiles in certain beer styles, such as Belgian lambics or certain types of farmhouse ales. These beers often exhibit a unique and complex combination of fruity, spicy, and earthy flavors attributed to the metabolic by-products produced by this yeast.
Overall, Dekkera bruxellensis is a significant microorganism in the brewing and winemaking industries, both as an essential contributor to certain styles and as a potential spoilage organism that requires careful control to maintain product quality.
The word "Dekkera" is derived from the Dutch pronunciation of the name "Antonie van Leeuwenhoek", a renowned Dutch microbiologist who first discovered this type of yeast in the 17th century. "Bruxellensis" refers to the city of Brussels, as this particular strain of yeast was initially isolated from the indigenous lambic beer breweries of that region in Belgium.