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Home > Food from Farm to Table > Food Safety > Managing Food Allergen Risks - A Guide for Retail Food Establishments

Managing Food Allergen Risks - A Guide for Retail Food Establishments


Approximately 2 percent of adults and up to 8 percent of children experience true food allergies. True food allergens are proteins. The difference between an allergy and intolerance is how the body handles the offending food.

In a true food allergy, the body's immune system recognizes a reaction-provoking substance, or allergen, as foreign and produces antibodies to halt the "invasion." As the battle rages, symptoms appear throughout the body. The most common sites are the mouth (swelling of the lips), digestive tract (stomach cramps, vomiting, diarrhea), skin (hives, rashes or eczema), and the airways (wheezing or breathing problems). There is no cure for food allergies; the only course is strict avoidance of an offending food. For an individual with food allergies, the biggest problem is knowing whether an allergen is contained in a particular food. Food intolerance is due to a chemical deficiency (commonly lack of a specific enzyme) and causes problems with digestion. Lactose intolerance is an example of food intolerance.

The United States Food and Drug Administration has identified eight foods (or food ingredients) that are responsible for 90 percent of the food allergic reactions. Those foods are milk and milk products, eggs, legumes (peanuts and soy), tree nuts, wheat, crustaceans, fish, and shellfish.

Allergen risk assessment and control is not an easy task at the manufacturing level, let alone at the retail level. But, retail food establishments also need to evaluate their operations to determine where allergen hazards might occur and establish methods for managing those hazards. All aspects of the operation must be part of the risk evaluation.

Following are areas where allergen risks occur and can likewise be controlled:

Ingredient Purchasing and Storage

  • Obtain a fully disclosed ingredient list from the supplier including details on sub-ingredients
  • Protect raw ingredients in storage to prevent contamination
  • Label raw material to indicate allergen content
  • Be careful when substituting raw materials

Production / Preparation

  • Production scheduling: make products with allergenic products with allergenic ingredients all at one time or at the end of a production run, then perform a complete clean-up before running other products
  • Do not allow reuse of single service articles such as tray liners
  • Dedicate separate utensils or equipment to allergenic products whenever possible
  • Protect work-in-process from cross-contact with allergenic products  / ingredients in use at other work areas
  • Discourage rework or carry-over product; if necessary only use like into like product
  • Use standardized recipes so that ingredients are the same from one batch or serving to the next. Dedicate production systems, use separate lines, equipment, rooms, or even facilities where necessary
  • Develop an allergen matrix or changeover grid to identify what practices or production changes need to be made between flavors or products (spray down or full clean up)
  • Provide lockouts on equipment that uses or supplies allergenic ingredients
  • When sampling the product in process, be certain that the sampling device is sanitized appropriately between products
  • Allow adequate clean up time between production

Packaging and Labeling

  • Verify level accuracy; update to reflect current formula
  • Ensure compliance with labeling regulations which generally requires declaration of all ingredients; exception to this include spices, some colors, flavors and processing aids and incidental additives at insignificant levels or that have no technical function or effect. Allergenic ingredients are never exceptions, they MUST be declared at any level - there is no "insignificant level"
  • Check labels on incoming ingredients; supplier may have sent the wrong product or may have used the wrong label
  • Limit use of precautionary labeling (such as "may contain") in lieu of good manufacturing practices. Do not list ingredients that are not in the formula
  • Consider cross-contact potential on packaging / portioning utensils
  • Consider using terms for ingredients that explain what they are derived from; verify product traceability; use a lot numbering system on raw materials to finished products to ensure recovery of all product in the event of a recall; conduct a mock recall to verify
  • For packaged, unlabeled products (such as individual granola bars), develop systems, to assure that the correct product is packaged into the containers with ingredient declarations

Sanitation

  • Have standardized procedures for sanitation operations (SSOP's) and ensure they are followed
  • Use appropriate cleaning methods (detergents / cleaning chemicals, water, and sanitizer)
  • Ensure proper storage of clean items
  • Specify employee practices - hand washing at appropriate times (for example, after handling a product that contains allergens, such as peanuts); proper hand washing procedures; use of clean clothing / aprons / gloves and when to change

Display / Service

  • For bulk food displays, use dedicated trays or display areas, post notification of allergen hazards with signs at point of display
  • If foods with allergenic ingredients can not be adequately separated, offer only as packaged food
  • For in-store demonstrations, prominently display the ingredient list and do not provide product to unaccompanied children
  • Consider a sign or menu statement that individuals with food allergies, intolerance or sensitivities may request information about the ingredients of anything served or sold (all employees should be trained and have access to this information)

Staff Training / Education 

  • Ensure all employees have an understanding of: the allergen issue, hazards of undeclared allergens on labels, and the ability to identify common allergens in all foods sold
  • Train employee groups on specific allergen concerns; kitchen employees need to understand about cross-contact potentials, service staff need to have ingredient lists available when customers inquire. It is better for them to say they don't know if an ingredient is included than to risk a customer's health
  • Point to include in a training program: define allergens, consequences to sensitive people, importance of allergen control, most common areas where problems occur, accurate labeling, and control measures

Food manufacturers and retailers must properly label food products that contain ingredients, including flavoring, coloring, or incidental additives that are, or contain, protein from a major food allergen using plan English to identify the allergens. This can be accomplished in one of two ways.

1. Include the name of the food source in parenthesis following the common or usual name of the major food allergen in the list of ingredients in instances when the name of the food source of the major allergen does not appear elsewhere in the ingredient statement. For example:

Box of Vanilla Wafers

Ingredients: Enriched flour (wheat flour, malted barley, niacin, reduced iron, thiamin mononitrate, riboflavin, folic acid), sugar, partially hydrogenated soybean oil, and/or cottonseed oil, high fructose corn syrup, whey (milk), eggs, vanilla, natural and artificial flavoring) salt, leavening (sodium acid pyrophosphate, monocalcium phosphate), lecithin (soy), mono-and diglycerides (emulsifier)

2. Place the word "contains" followed by the name of the food source from which the major food allergen is derived, immediately after or adjacent to the list of ingredients, in type size used for the list of ingredients. For example: 

Contains Wheat, Milk, Eggs, and Soy 

For additional information, visit Food Ingredients that May Cause Allergies

MDA Contact

Dairy & Food Inspection Division