Ara h 3

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Ara h 3

Ara h 3 is a protein found in peanuts that belongs to the family of allergenic proteins known as pathogenesis-related proteins. It is one of the major allergens present in peanuts and is known to trigger allergic reactions in individuals who are sensitive to peanuts.

Structure and Function

Ara h 3 is a stable protein that is resistant to heat and digestion. It is a storage protein found in peanuts and plays a role in protecting the plant from pathogens. However, in individuals with peanut allergies, Ara h 3 can elicit an immune response that leads to allergic symptoms.

Allergic Reactions

Individuals who are allergic to peanuts may experience a range of symptoms upon exposure to Ara h 3. These symptoms can vary from mild reactions such as itching and hives to more severe reactions such as difficulty breathing and anaphylaxis. It is important for individuals with peanut allergies to avoid foods containing Ara h 3 to prevent allergic reactions.

Diagnosis and Treatment

Diagnosing an allergy to Ara h 3 typically involves skin prick tests or blood tests to measure specific IgE antibodies. Once diagnosed, the main treatment for Ara h 3 allergy is strict avoidance of peanuts and peanut products. In cases of accidental exposure, individuals may require emergency treatment with epinephrine to manage severe allergic reactions.

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