| 词条 | Oud bruin |
| 释义 |
| name = Oud Bruin | bgcolour = | image = LiefmansOudbruin.jpg | imagesize = | caption = Liefman's oud bruin | origin = Belgium | yeast = Top-fermenting | alcohol = 4 - 8% | color = 15 - 22 | bitterness = 15 - 25 | originalgravity = 1.043 - 1.077 | finalgravity = 1.012 - 1.016 | maltpercentage = 90% - 100% }}Oud Bruin (Old Brown), also known as Flanders Brown, is a style of beer originating from the Flemish region of Belgium. The Dutch name refers to the long aging process, up to a year. It undergoes a secondary fermentation, which takes several weeks to a month, and is followed by bottle aging for several more months. The extended aging allows residual yeast and bacteria to develop a sour flavor characteristic for this style.[1] Usually, cultured yeast and bacterias are used, as stainless does not harbor wild organisms as wood does.[2] HistoryThese beers were kept as so called provision beers, to be stored and allow the flavor to develop. Liefmans Brewery has been brewing the style since the 17th century.[2] Historical examples tended to be more sour than modern commercial products. CharacteristicsThis style of beer is medium bodied, reddish-brown, and has a gentle malty flavor and no hop bitterness. Commercial versions may mix aged beer with younger, sweeter beer to temper the acidity and allow for further fermentation.[3] Examples
References1. ^{{cite book|last1=Rajotte|first1=Pierre|title=Belgian Ale|date=1992|publisher=Brewers Publications|location=Boulder, Co|isbn=9780937381311|page=14}} 2. ^1 {{cite news|title=Flanders Brown / Oud Bruin|url=http://www.beerconnoisseur.com/Flanders-Brown-Oud-Bruin|accessdate=6 April 2014|newspaper=Beer Connoisseur|date=2 September 2009|deadurl=yes|archiveurl=https://web.archive.org/web/20140408224636/http://www.beerconnoisseur.com/Flanders-Brown-Oud-Bruin|archivedate=8 April 2014|df=}} 3. ^Michael Jackson "The Great Beers of Belgium" External links
2 : Beer styles|Beer in Belgium |
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