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Cross-contamination of food occurs when allergens are unintentionally transferred from one food item to another, often through shared cooking equipment, not properly cleaned surfaces, or utensils. This can lead to severe allergic reactions in individuals with food allergies, even if the allergen is present in trace amounts. [ 51 ]
Shellfish allergies are highly cross reactive, but its prevalence is much higher than that of fish allergy. Shellfish allergy is the leading cause of food allergy in U.S adults. [31] As of 2018 six allergens have been identified to prawn alone; along with crab, it is the major culprit of seafood anaphylaxis. [13]
Even minute amounts, such as coloring or spices, must be listed if they contain any proteins from these major allergens. [8] Manufacturers are given two ways in which to label food allergens. They may either state the food source name of a major food allergen in the list of ingredients, most often contained within parenthesis.
Whole Foods may end up cross-contaminating other stores with the labeling system, drawing even more attention to the company's large selection of health-conscious -- and high-margin -- products.
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precautionary statements, indicating how the product should be handled to minimize risks to the user (as well as to other people and the general environment) the identity of the supplier (who might be a manufacturer or importer). Each hazard statement is designated a code, starting with the letter H and followed by three digits.
An allergen is an otherwise harmless substance that triggers an allergic reaction in sensitive individuals by stimulating an immune response.. In technical terms, an allergen is an antigen that is capable of stimulating a type-I hypersensitivity reaction in atopic individuals through immunoglobulin E (IgE) responses. [1]
Cross-contact exposure, also referred to as cross-contamination, occurs as a result of foods being processed in factories or at food markets, or are being prepared for cooking in restaurants and home kitchens. The allergenic proteins are inadvertently transferred from one food to another. [25]