Oud Bruin (Old Brown), also known as Flanders Brown, is a style of
beer
Beer is one of the oldest and the most widely consumed type of alcoholic drink in the world, and the third most popular drink overall after water and tea. It is produced by the brewing and fermentation of starches, mainly derived from cer ...
originating from the
Flemish
Flemish (''Vlaams'') is a Low Franconian dialect cluster of the Dutch language. It is sometimes referred to as Flemish Dutch (), Belgian Dutch ( ), or Southern Dutch (). Flemish is native to Flanders, a historical region in northern Belgium ...
region of
Belgium
Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to ...
. 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
Yeasts are eukaryotic, single-celled microorganisms classified as members of the fungus kingdom. The first yeast originated hundreds of millions of years ago, and at least 1,500 species are currently recognized. They are estimated to consti ...
and
bacteria
Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were am ...
to develop a
sour flavor characteristic for this style. Usually, cultured yeast and bacteria are used, as stainless steel equipment does not harbor wild organisms as wood does.
History
These beers were kept as so called ''provision beers'', to be stored and allow the flavour to develop.
Liefmans Brewery has been brewing the style since the 17th century.
Historical examples tended to be more sour than modern commercial products. ''Brouwerij De Brabandere'' in
still produces a traditionally
barrel-aged oud bruin under the ''Petrus'' brand.
Characteristics
This style of beer is medium bodied, reddish-brown, and has a gentle
malt
Malt is germinated cereal grain that has been dried in a process known as " malting". The grain is made to germinate by soaking in water and is then halted from germinating further by drying with hot air.
Malted grain is used to make beer, ...
y flavor and no
hop bitterness. Commercial versions may mix aged beer with younger, sweeter beer to temper the acidity and allow for further fermentation.
[Michael Jackson "The Great Beers of Belgium"]
Because of the reddish-brown colour, the
Flanders red ale could be confused with Flanders browns, but the differences include different brewing techniques & aging processes resulting in different taste characteristics.
Examples
*'t Verzet Oud Bruin (Anzegem, Belgium)
*Ichtegem Oud Bruin (Ichtegem, Belgium)
*Liefmans Goudenband (Oudenaarde, Belgium)
*Petrus Oud Bruin (Bavikhove, Belgium)
*Queue de charreu brune (Comines-Warneton, Belgium)
References
External links
*
{{Beer Styles
Beer styles
Beer in Belgium