Oud bruin

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Oud Bruin
LiefmansOudbruin.jpg
Liefman's oud bruin
Country of origin Belgium
Yeast type Top-fermenting
Alcohol by volume 4 - 8%
Color (SRM) 15 - 22
Bitterness (IBU) 15 - 25
Original Gravity 1.043 - 1.077
Final Gravity 1.012 - 1.016
Malt percentage 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]

History[edit]

These 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.

Characteristics[edit]

This 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[edit]

  • New Glarus Oud Bruin
  • Ichtegem's Oud Bruin
  • Liefmans Goudenband
  • Petrus Oud Bruin
  • Hertog Jan Oud Bruin
  • Brouwers Verzet Oud Bruin
  • Deschutes The Dissident
  • New Belgium La Folie
  • Odell The Meddler
  • Yazoo Zure Bruine

References[edit]

  1. ^ Rajotte, Pierre (1992). Belgian Ale. Boulder, Co: Brewers Publications. p. 14. ISBN 9780937381311. 
  2. ^ a b "Flanders Brown / Oud Bruin". Beer Connoisseur. 2 September 2009. Retrieved 6 April 2014. 
  3. ^ Michael Jackson "The Great Beers of Belgium"

External links[edit]

  • Media related to Oud bruin at Wikimedia Commons