Kilju

Kilju (Finnish pronunciation: [ˈkilju]) is the name of a Finnish home-made alcoholic beverage, known in English as sugar wine. It is mostly made from sugar, yeast, and water. Its alcohol content is usually 15–17% ABV.[1]

"Sugar wine" redirects here. For the presence of sugar in wine, see Sugars in wine.
This article is about a traditional Finnish drink. For the county in North Korea, see Kilju County.

Equipment used to make kilju, and a bottle of unclarified kilju with liquid-logged raisins.

Cultural aspects

Kilju is considered to be a low-quality beverage that is consumed mainly for the sake of its alcohol content.

The Finnish Alcoholic Beverages Act 1 March 2018 legalized the manufacture of kilju and wine from fruits, berries and other carbohydrate sources. Distilling it into pontikka (moonshine) is still illegal, however.

Due to its low cost and simple production process, kilju is mostly drunk by low-income people. Alternatively it can be made as a carbonated soft drink when served before the fermentation process is complete. Kilju made this way is high in sugar and CO2 content, and has little to no alcohol, being similar to a sweet lemon soda. It is a family tradition to many. The simple production process also makes it accessible to underage drinkers.

Production
Kilju in its fifth day of fermentation. An air lock has been added to keep unnecessary and harmful bacteria away from the fermenting beverage.

Kilju can be produced by fermenting sugar, yeast, and water, but kilju made exclusively from sugar, yeast, and water was illegal in Finland before March 2018;[2] therefore, grain, potatoes, fruits[3] or berries were used during fermentation to avoid legal problems and to flavor the drink. Oranges and lemons are a popular choice for this purpose.

The process is similar to that of homebrewing wine; it requires rigorous hygiene and filtering of the product. Properly made kilju is a clear, colorless liquid with no discernible taste other than that of ethanol. It can be refined into pontikka (Finnish moonshine) by means of distillation. It then resembles rum, as both are distilled from fermented cane sugar products, although rum is often made from molasses, a byproduct of the sugar refining process, or fresh sugar cane juice instead of refined, crystallized table sugar.

Kilju is often produced improperly by home brewers who allow contaminants to disrupt fermentation or do not adequately filter or rack the liquid, or do not use a fining agent. The latter mistakes result in yeast being suspended, causing the mixture to be cloudy rather than clear. The yeast is not harmful, but can provide an unpleasant taste.

When homebrewing grew in popularity during the economic depression that followed the Finnish banking crisis of the early 1990s, yeast strains known as "turbo yeast" were introduced to the market. These yeast strains enable a very rapid fermentation to full strength, in some cases in as little as three days (compared to several weeks required by traditional wine yeast strains). Such a short production time naturally does not allow the yeast to become lees. The introduction of turbo yeast reinforced the public's view of kilju as an easy method of procuring cheap alcohol.

Consumption

Kilju is often mixed with juice or some other beverage to mask bad tastes caused by impurities.

Compared to wines, kilju most closely resembles Beaujolais nouveau, which is drunk after only a few weeks of fermentation. However, properly made kilju will not easily turn into vinegar. It is possible to drink kilju years after it was made if it has been properly stored.

See also

References
  1. "Hybrido's Guide to Finnish Kilju". Retrieved 27 October 2010.
  2. "Kiljun valmistaminen lailliseksi Suomessa - "Kilju oli erottautumista kylän junteista, amisviiksisistä idiooteista"".
  3. Facta (encyclopedia) part 8, page 420 finnish
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