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- Title
Shedding light on the interaction of ovalbumin and resveratrol: structure, digestibility, transport, and allergenicity assessment of OVA–RES complexes.
- Authors
Xu, Xiaoqian; Cao, Qiang; Yuan, Jin; Tong, Ping; Li, Xin; Yang, Anshu; Wu, Zhihua; Liu, Xiaohua; Chen, Hongbing; Gao, Jinyan
- Abstract
BACKGROUND: The interaction between food allergens and plant polyphenols has become a safe and effective management strategy to prevent food allergies. Ovalbumin (OVA) is the most abundant allergen in egg whites. Resveratrol (RES) is a plant polyphenol that is abundant in red grapes, berries, and peanuts, and has an anti‐allergic effect on allergy‐related immune cells. However, there is little information about the effect of RES on the allergenicity of OVA. In this study, the effect of RES on the allergenicity of OVA was investigated. RESULTS: Molecular docking and spectroscopic studies indicated that the addition of RES changed the structure of OVA. The digestion and transfer rate of OVA–RES were effectively improved with an in vitro gastrointestinal digestion model and Caco‐2 cell model, especially when the molar ratio of OVA–RES was 1:20. Meanwhile, the KU812 cell degranulation assay proved that the potential allergenicity was remarkably decreased while the molar ratios of OVA–RES were increased to 1:20. Furthermore, hydrogen bonds and van der Waals forces were the dominating forces to stabilize the OVA–RES complexes. CONCLUSION: All the findings demonstrated that the potential allergenicity of OVA was reduced when interacting with RES, and RES can be a potential food material for preparing a hypoallergenic protein, especially for egg allergy. © 2023 Society of Chemical Industry.
- Subjects
SOCIETY of Chemical Industry (Great Britain); OVALBUMINS; EGG whites; VAN der Waals forces; FOOD allergy; RESVERATROL; PLANT polyphenols
- Publication
Journal of the Science of Food & Agriculture, 2024, Vol 104, Issue 3, p1645
- ISSN
0022-5142
- Publication type
Article
- DOI
10.1002/jsfa.13052