Vegetarianism and beer: Difference between revisions
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Isinglass is the most common fining used to clear cask ale. Isinglass is produced from the [[swim bladder]]s of fish in the [[polynemidae]], [[sciaenidae]] and [[siluridae]] families;<ref>[http://www.scientificsocieties.org/JIB/papers/2007/G-2007-0128-540.pdf scientificsocieties.org]</ref> as it is an animal product, cask ale cleared with isinglass is not considered vegetarian. |
Isinglass is the most common fining used to clear cask ale. Isinglass is produced from the [[swim bladder]]s of fish, usually [[sturgeon]], though also those in the [[polynemidae]], [[sciaenidae]] and [[siluridae]] families;<ref>[http://www.scientificsocieties.org/JIB/papers/2007/G-2007-0128-540.pdf scientificsocieties.org]</ref> as it is an animal product, cask ale cleared with isinglass is not considered vegetarian. |
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There are vegetarian alternatives to isinglass. [[Bentonite]] and [[Irish moss]] are the two most common.<ref> |
There are vegetarian alternatives to isinglass. [[Bentonite]] and [[Irish moss]] are the two most common.<ref> |
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==Packaged beers== |
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Other than [[bottle conditioned]], beers which are packaged in cans, bottles or kegs are filtered in some form, either pasteurised or cold-filtered. In general filtering doesn't require the use of finings,<ref>[http://www.ethicalconsumer.org/FreeBuyersGuides/fooddrink/alcoholbeerandlager.aspx Ethical Consumer]</ref> though a brewer may still use some form of animal product in the later stages of beer processing. |
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==References== |
==References== |
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Revision as of 14:59, 9 February 2009
As beer is generally made from non-animal products, the bulk of production is vegetarian beer.[1] However, some breweries - such as British cask ale producers - may use animal products in the filtering process.[2]
Finings
British cask ale producers don't filter the beer at the end of the production process.[3] When beer is left unfiltered, the yeast that fermented the wort, and turned the sugar in the barley into alcohol, remains in suspension in the liquid. The yeast that remains suspended in the beer creates a cloudy appearance, and can have a yeasty flavour.[4] Finings are used to clear the beer of yeast - there are a variety of agents used as finings, including silicon dioxide, gelatin, polyclar, and isinglass.[5]
Isinglass is the most common fining used to clear cask ale. Isinglass is produced from the swim bladders of fish, usually sturgeon, though also those in the polynemidae, sciaenidae and siluridae families;[6] as it is an animal product, cask ale cleared with isinglass is not considered vegetarian.
There are vegetarian alternatives to isinglass. Bentonite and Irish moss are the two most common.[7]
Packaged beers
Other than bottle conditioned, beers which are packaged in cans, bottles or kegs are filtered in some form, either pasteurised or cold-filtered. In general filtering doesn't require the use of finings,[8] though a brewer may still use some form of animal product in the later stages of beer processing.
References
Notes
- ^ Vegetarian Times, p 31, Mar 1993, Drew DeSilver, Active Interest Media, Inc., ISSN 0164-8497
- ^ "Vegetarian Beer". www.veggiewines.co.uk. Retrieved 2009-02-07.
- ^ "The Vegetarian Society - Alcohol Information Sheet". www.vegsoc.org. Retrieved 2009-02-07.
- ^ Animal Ingredients A to Z, p 73, E.G. Smith Collective, AK Press, 2004, ISBN 1902593812
- ^ "Wine and Beer Finings". www.brewerylane.com. Retrieved 2009-02-07.
- ^ scientificsocieties.org
- ^ "BBC - Food - Vegetarian and vegan - Vegetarian and vegan wine and drinks". www.bbc.co.uk. Retrieved 2009-02-08.
- ^ Ethical Consumer