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Título: | Boiling and pressure cooking impact on IgE reactivity of soybean allergens |
Autor: | Cabanillas, Beatriz; Cuadrado Hoyos, María Carmen; Rodríguez, Julia; Dieguez, M. C.; Fernández Crespo, Jesús; Novak, Natalija | Palabras clave: | Boiling Legume allergy Pressure cooking Skin-prick testing Soybean allergy Thermal processing |
Fecha de publicación: | 2018 | Editor: | S. Karger AG | Citación: | International Archives of Allergy and Immunology 175(1-2): 36-43 (2018) | Resumen: | Background: Soybean is one of the 8 foods that causes the most significant rate of food allergies in the USA and Europe. Thermal processing may impact on the allergenic potential of certain foods. We aimed to investigate modifications of the IgE-binding properties of soybean proteins due to processing methods that have been previously found to impact on the allergenicity of legumes such as peanut. Methods: Soybean seeds were subjected to different thermal processing treatments. To evaluate their impact on the IgE-binding capacity of soybean proteins, individual sera from 25 patients sensitized to soybean were used in in vitro immunoassays. Detection of specific soybean allergens in untreated and treated samples was carried out with specific monoclonal and polyclonal antibodies. In vivo studies of skin prick testing (SPT) were also performed. Results: The IgE reactivity of soybean was resistant to boiling up to 30 min, and this treatment had a higher impact when applied for 60 min. Treatment that combined heat and pressure produced a fragmentation of proteins in both soluble and insoluble fractions that went along with a decreased capacity to bind IgE and reduced the SPT wheal size. However, allergens such as 7S globulins survived this treatment. Conclusions: Thermal-processing methods able to attenuate the capacity of soybean proteins to bind IgE may contribute to the improvement of food safety and could constitute a potential strategy for the induction of tolerance to soybean. | URI: | http://hdl.handle.net/10261/290787 | DOI: | 10.1159/000485894 | ISSN: | 1018-2438 | E-ISSN: | 1423-0097 |
Aparece en las colecciones: | (INIA) Artículos |
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