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General Mills Looks to Patent Gluten-free Oats
Celiac.com 08/17/2016 - Cereal-maker General Mills is looking to patent method and system for manufacturing gluten-free oats.
The application for patent protection covers numerous mechanical separation processes on a variety of grains, including oat grains and gluten-containing grains, using, among other things, width grading steps, multiple length grading steps, aspirating steps and a potential de-bearding step.
Federal labeling regulations require products labeled 'gluten-free' to have gluten levels below 20 ppm. The process allow the production of oat grains with gluten levels below 20 parts per million, and optimally at 10 ppm.
The resulting oats are gluten-free oats and suitable for use in a variety of gluten-free oat food products, including cereal and granola products, according to the patent US 2016/0207048 A1, filed on July 21st 2016.
Mechanical separation techniques, such as these covered by the patent application, have the potential to be highly efficient and economical. The patent does not mention more expensive optical systems.
Oats are naturally gluten-free, but, according to the patent, "oats cultivated in North America, Europe and other parts of the world commonly are contaminated by gluten-containing grains such as wheat, barley, rye and triticale."
Contamination can result from rotating grains on the same crop land, and from harvesting, transporting, storing and merchandising.
General Mills experienced problems with wheat contamination of gluten-free products last year, when they were forced to recall an estimated 1.8 million boxes of gluten-free Cheerios and Honey Nut Cheerios at its Lodi, Calif., plant. The product was contaminated with gluten. However, the company has maintained that the gluten contamination was due to an employee processing error, not any defect in their grain sorting equipment covered under the patent protection.
Stay tuned to find out if General Mills receives their patent, and if their process has a significant impact on the quality, availability and cost of gluten-free oats.
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Jefferson Adams is a freelance writer living in San Francisco. His poems, essays and photographs have appeared in Antioch Review, Blue Mesa Review, CALIBAN, Hayden's Ferry Review, Huffington Post, the Mississippi Review, and Slate among others.
He is a member of both the National Writers Union, the International Federation of Journalists, and covers San Francisco Health News for Examiner.com.View all articles by Jefferson Adams