Journal
CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION
Volume 62, Issue 29, Pages 8137-8160Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10408398.2021.1925869
Keywords
Emulsion; interface; antioxidant; protein; complex; conjugate
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Funding
- Natural Science Foundation of China [32072138]
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This review examines the factors affecting the efficiency of antioxidants in emulsion systems and discusses the impact of combining antioxidants with proteins on antioxidant effects. It also explores the different ways antioxidants and proteins can be combined, as well as the fabrication conditions and characterization methods of these combinations. The review provides insights for better strategies to control lipid oxidation in emulsions, and addresses the main challenges and future trends in this field.
Lipid oxidation largely determines the quality of emulsion systems as well as their final products. Therefore, an increasing number of studies have focused on the control of lipid oxidation, particularly on its mechanism. In this review, we discuss the factors affecting the efficiency of antioxidants in emulsion systems, such as the free radical scavenging ability, specifically emphasizing on the interfacial behavior and the influence of surfactants on the interfacial distribution of antioxidants. To enhance the antioxidant efficiency of antioxidants in emulsion systems, we discussed whether the combination of antioxidants and proteins can improve antioxidant effects. The types, mixing applications, structures, interface behaviors, effects of surfactants on interfacial proteins, and the location of proteins are associated with the antioxidant effects of proteins in emulsion systems. Antioxidants and proteins can be combined in both covalent and non-covalent ways. The fabrication conditions, conjugation methods, interface behaviors, and characterization methods of these two combinations are also discussed. Our review provides useful information to guide better strategies for providing stability and controlling lipid oxidation in emulsions. The main challenges and future trends in controlling lipid oxidation in complex emulsion systems are also discussed.
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