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Cross-Contamination and Grain Processing Equipment

From Brian Kuhl (bkuhl@dantec.com) of Dantec Corp. - Waterloo, ON, Canada

(Celiac.com 06/12/2000) I work for a company that supplies computerized control equipment to the grain handling industry. I have been in grain elevators across Canada and the US. I have limited experience with flour mills. Virtually all grains and bean crops are contaminated, their is little economic incentive for the elevators to fix this problem as most often a small amount of a less expensive crop is contaminating a more expensive one. I have even seen elevators intentionally contaminate certain high price commodities (i.e. bean crops), though to be fair most of this is removed by cleaning equipment at the mills. And if the allowable limits are exceeded the train-car or transport-truck will be rejected by the mill and sent back to the elevator at a considerable expense. Since all grains are moved by the same equipment and this metal equipment is forever wearing out allowing small amounts of amounts of grain to spill into the holding area for another. Also the same equipment is used to move different grains, it is possible for a truck carrying one grain to dump into the same elevating equipment that was just used to carry another, a certain amount of residue is left in even the most well maintained equipment.

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As someone with mild wheat intolerance (I have never been tested for celiac), I do not worry about this. The intolerance is not an allergic reaction, the miniscule amounts of gluten I would encounter from this sort of thing is miniscule, and I have never had a symptomatic reaction to any oat product. But I am forever reacting to restaurant food that has been dusted with flour, or potato soups that have been thickened with flour. My worst experience is when I was served cream-of-wheat as oatmeal.

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3 Responses:

 
Roy m Lewis
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said this on
10 Aug 2008 1:47:33 PM PDT
Very informative with very interesting links. While writing a thought came to me the other day that for those who are intolerant to gluten, as opposed to being allergic, it would be helpful, where appropriate, if both the approximate concentration and the type of gluten were to be displayed on the container.

Thank you for what you are doing

 
Adam
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said this on
21 Oct 2009 7:28:54 AM PDT
The chance of contamination can be reduced greatly. I buy blue corn from a grain elevator in San Jon, NM, that handles only that grain, and no wheat is grown in the area. So the farm combines and trucks do not handle wheat. I mill the corn on a dedicated mill, and offer the cornmeal for sale at Santa Fe Farmers' Market. I once found a half of a legume seed (maybe a pea) in the corn, but in a 50# bag, what matter?

 
Abbas Kid
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said this on
09 Nov 2012 5:00:35 AM PDT
So, what is the name of the grain elevator that has the blue corn, and is the corn non-GMO? Thanks.




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In the rare instance that "modified food starch" is made from wheat, it will say so in the ingredients or Contains statement. If you wonder what it is made from, email or call and ask. I think its usually corn, Progresso is part of a large company. they would not label something gluten-free unless they know it is. Its a law in the US and Canada.

Progresso soup check the label on their gluten free products, modified food starch is not gluten free.

A recent issue of JAMA, the US Preventive Services Task Force (USPSTF) critically examines screening for celiac disease in asymptomatic adults, adolescents, and children. Celiac disease exhibits a broad spectrum of symptoms, from subtle or no symptoms to severe malabsorption. Celiac diagnoses have increased significantly over the past few decades, in part because of greater awareness, but possibly because of an actual increase in disease rates. Researchers estimate current rates of celiac disease at 0.71% among US adults, and 0.76% among US children. View the full article

I have notice that I am sick much less often.

Thanks everyone. I appreciate the answers. I'm waiting to hear back from her dr and then we will go from there. If the dr doesn't think the results show anything then I will get a second opinion thanks to everything that has been shared on here. I will make sure and not change her diet for now. I am planning on getting tested myself, I have had suspicions since last summer that I could have it. I have a form of autoimmune arthritis, just unclear exactly what it is at this time. I going to ask to be tested for celiac at my next appt though.