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A Word on Gluten and Beer
- By Scott Adams
- Published 07/12/2004
- Conferences, Publicity, Pregnancy, Church, Bread Machines, Distillation & Beer
Gluten is an umbrella term used to describe a mixture of individual proteins found in many grains. Celiac disease (celiac sprue or gluten intolerance, gluten sensitivity) is an autoimmune disorder that is triggered by the ingestion of some of these glutens. People with classic celiac disease are intolerant to the gluten proteins found in wheat, barley, rye, spelt and a couple other lesser known grains. All these grains have a relative of the gluten protein. Interestingly, corn, rice and sorghum also have gluten proteins but are not toxic to celiacs. Herein lies one of the fundamental problems; the use of the term gluten intolerance to cover only certain gluten containing grains is confusing for consumers and food manufacturers alike. Unfortunately, it seems that the inertia for using celiac disease and gluten intolerance as synonyms is unstoppable. Therefore, it becomes the responsibility of both consumers and manufacturers to make sure the terms being discussed are defined and understood.
As this relates to beer, there is a gluten protein found in barley. This protein is known as hordein. Wheat gluten is known as gliadin. Rye gluten is known as secalin. Presently, assay tests (or lab tests) are only commercially available for the testing of gliadin. We are unaware of any tests for hordein or any manufacturer that presently tests for hordein (Note: If you know of anyone that does in fact test specifically for hordein, please let us know). Therefore the idea that a barley based beer can be considered gluten free based upon the lack of testing is very difficult to fathom. It should be understood that a company using an assay test for gliadin to test for hordein will not return accurate results.
There has been widespread speculation that the brewing process eliminates these hordein proteins making all beers gluten-free. Although commercial assay tests for hordein are not available there is conclusive evidence that the brewing process does not degrade hordein to non-toxic levels. A research study in Australia on improving beer haze shows that hordein is still present in beer after the brewing process (http://www.regional.org.au/au/abts/1999/sheehan.htm). Therefore, claims that hordein or gluten is destroyed in the brewing process is unsubstantiated and clearly, based upon the Australian research, is highly questionable.
Based upon the continuous claims by beer companies that beers are gluten free, it is clear that the issue is misunderstood and, as always, it is up to the consumer to educate them on the facts. Hopefully, the information provided here will give consumers and manufacturers alike the ability to discuss these gluten issues intelligently and effectively.
About the author: Kevin Seplowitz is the President and Co-founder of the Bards Tale Research Company, LLC and organization that researches the correlations between nutrition, diet, and autoimmune disorders. Bards Tale Research owns and operates Bards Tale Beer Company, LLC (www.bardsbeer.com) a company that develops commercial gluten-free beers. Mr. Seplowitz is a diagnosed Celiac.
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In 1994 I was diagnosed with celiac disease, which led me to create Celiac.com in 1995. I created this site for a single purpose: To help as many people as possible with celiac disease get diagnosed so they can begin to live happy, healthy gluten-free lives. Celiac.com was the first site on the Internet dedicated solely to celiac disease. In 1998 I foundedÂ The Gluten-Free Mall, Your Special Diet Superstore!, and I am the co-author of the book Cereal Killers, and founder and publisher of Journal of Gluten Sensitivity.View all articles by Scott Adams