DOI: 10.1111/cea.70465 ISSN: 0954-7894
Storage‐Associated Reduction in ELISA‐Detectable Walnut Allergen Levels Does Not Reflect Functional Allergenicity
Sayaka Hamaguchi, Tomoki Yaguchi, Daisuke Harama, Kotaro Umezawa, Kenji Toyokuni, Erika Ogawa, Yasuhito Yamamoto, Hideaki Morita, Tatsuki Fukuie, Yukihiro Ohya, Kiwako Yamamoto‐HanadaSummary
Commercial ELISA measurements declined during walnut powder storage, while total protein concentrations remained broadly stable. Patient serum IgE binding and basophil activation showed no consistent decline corresponding to ELISA measurements.