Regulation of Microlocalization of Antioxidants by Surfactant Micelles in Oil-in-Water Emulsions

被引：0

作者：

Wang, Xintian ^{[1
]}

Chen, Yashu ^{[1
]}

McClements, David Julian ^{[2
]}

Peng, Dengfeng ^{[1
]}

Chen, Hongjian ^{[3
]}

Xu, Shufang ^{[4
]}

Deng, Qianchun ^{[1
]}

Geng, Fang ^{[5
]}

机构：

[1] Key Laboratory of Oilseeds Processing, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Science, Hubei, Wuhan,430062, China

[2] Department of Food Science, University of Massachusetts, Amherst,MA,01003, United States

[3] College of Health Science and Engineering, Hubei University, Hubei, Wuhan,430062, China

[4] Clinical Nutrition Department, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, 26 Shengli Street, Hubei, Wuhan,430030, China

[5] Meat Processing Key Laboratory of Sichuan Province, School of Food and Biological Engineering, Chengdu University, Chengdu,610106, China

来源：

Journal of Agricultural and Food Chemistry | 2024年 / 72卷 / 45期

基金：

中国国家自然科学基金;

关键词：

Binding sites - Bioremediation - Emulsification - Micelles - Microemulsions - Nuclear magnetic resonance - Nuclear magnetic resonance spectroscopy;

D O I：

10.1021/acs.jafc.4c08855

中图分类号：

学科分类号：

摘要：

The mass transport effect of aqueous micelles on antioxidants and oxidation products in emulsions may alter the rate, degree, and pathway of lipid oxidation. In this study, the dynamic mass transport of oxidation products and endogenous tocopherol during storage at different micelle concentrations was monitored by UV-vis spectrophotometry and high-performance liquid chromatography. Furthermore, the microlocalization of tocopherol in micelles was investigated using 1H nuclear magnetic resonance and nuclear Overhauser effect spectroscopy, fluorescence measurements, and molecular dynamics simulation. It was demonstrated that high-concentration micelles enhanced the emulsion stability by promoting the mass transport of hydroperoxides and endogenous antioxidants. The enhancement of micelles was a superposition effect of concentration, interaction sites, and binding force between tocopherols and Tween 20 molecules. Tween 20 concentration-induced favorable changes of microlocalization of tocopherol and dynamic mass transport demonstrated a new integrated perspective to control lipid oxidation. © 2024 American Chemical Society.

引用

页码：25306 / 25318

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