allergen

alerjen

A substance that causes an allergic reaction in some people.

• Pollen is a common allergen.
• The food contains several known allergens.
• She is sensitive to many allergens.
• Food manufacturers must clearly label products containing common allergen ingredients such as peanuts, shellfish, and tree nuts to protect sensitive consumers.
• Immunologists are investigating why certain proteins function as allergen triggers in some individuals while remaining completely harmless to others.
• The research team developed a novel desensitization therapy that gradually exposes patients to increasing concentrations of the specific allergen over time.