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Protect Grain from Allergen Risks

Protect Grain from Allergen Risks
Aug 26, 2026
By Farms.com

Simple Allergen Management Tips for Safe Grain Storage and Transport

Maintaining a reputation for clean and safe grain is important for Canadian farmers, grain handlers, and the agriculture industry. Even small amounts of allergenic crops mixed with cereal grains can create serious food safety concerns and lead to shipment rejections in domestic and international markets. 

Some crops are considered allergen sources in certain export markets. Common examples include mustard, soy, and buckwheat. If traces of these crops are accidentally mixed with cereals such as wheat, barley, or oats, they may create risks for consumers and limit market access. 

Many countries have strict requirements for allergen contamination in imported grains.  We export much of our harvest.  Shipments containing allergenic material may be downgraded, rejected, or subject to recall actions. Such incidents can also damage buyer confidence and impact the industry's reputation. 

Allergen contamination often happens during grain handling rather than in the field. Residues left behind in combines, grain carts, augers, trucks, rail cars, storage bins, and other equipment can be transferred to cereal crops if cleaning procedures are not followed carefully. 

Effective allergen management begins with proper planning and attention to detail. Farmers and grain handlers should thoroughly clean harvesting, storage, and transportation equipment after handling allergenic crops. Removing grain residues helps reduce the risk of accidental contamination. 

Segregation is another important practice. Whenever possible, allergenic and non-allergenic crops should be stored separately. Trucks, rail cars, and storage facilities should be cleaned and inspected before loading cereal grains, especially if they previously carried mustard, soy, or buckwheat. 

Good recordkeeping is also essential. Maintaining records of crop rotations, storage bin usage, and cleaning activities can help demonstrate responsible grain management. Clear communication with grain buyers about handling practices further supports market confidence. 

Photo Credit: gettyimages-studio2013


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