A two-site monoclonal antibody immunochromatography assay for rapid detection of peanut allergen Ara h1 in Chinese imported and exported foods

► A two-site mAb-GICA was developed for detection of peanut allergen Ara h1 in foods. ► GICA is a fast, simple, semi-quantitative method with a sensitivity of 10 ng/ml. ► GICA is potentially useful for food allergen labeling surveillance in China Customs.