Thank you for visiting Define a food allergy Explain what an allergen is and give two examples of allergens Describe two ways that cross contamination can cause someone with. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
A food allergy is an adverse immune response triggered by the ingestion of certain foods. An allergen is a substance that can cause an allergic reaction in susceptible individuals.
Food Allergy: A food allergy is an adverse immune response triggered by the ingestion of certain foods. When someone with a food allergy consumes an allergenic food, their immune system recognizes specific components of the food as harmful and initiates an allergic reaction. Symptoms can range from mild, such as itching or hives, to severe and life-threatening, such as anaphylaxis.
Allergen: An allergen is a substance that can cause an allergic reaction in susceptible individuals. In the context of food allergies, allergens are specific proteins found in certain foods that trigger an immune response in individuals with allergies. These proteins are typically stable and resistant to digestion, allowing them to evoke an immune reaction upon contact with the immune system.
Two common examples of food allergens are: Peanuts and Shellfish.
Cross-Contamination and Allergic Reactions: Cross-contamination can lead to accidental exposure to allergens, causing allergic reactions in individuals with food allergies. Two ways cross-contamination can occur are:
- Shared Surfaces and Utensils: If cooking surfaces, cutting boards, utensils, or kitchen tools are not adequately cleaned after contact with allergenic foods, residues can remain and contaminate other foods. For example, if a knife used to slice peanuts is then used to prepare a non-allergenic food like a salad, it can transfer peanut proteins and trigger an allergic reaction in someone with a peanut allergy.
- Improper Labeling and Mixing: Insufficient labeling or improper handling of food products can lead to cross-contamination. For instance, if a product containing allergenic ingredients (e.g., peanuts) is mistakenly placed or mixed with non-allergenic products in a manufacturing facility, it can result in cross-contamination, making the non-allergenic product unsafe for individuals with allergies to consume.
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