Utilization of interfacial engineering to improve physicochemical stability of β-carotene emulsions: Multilayer coatings formed using protein and protein-polyphenol conjugates

被引：156
|
作者：
Liu, Fuguo [1 ]
Wang, Di [1 ]
Sun, Cuixia [1 ]
McClements, David Julian [2 ,3 ]
Gao, Yanxiang [1 ]
机构：
[1] China Agr Univ, Beijing Adv Innovat Ctr Food Nutr & Human Hlth, Beijing Lab Food Qual & Safety, Beijing Key Lab Funct Food Plant Resources,Coll F, Beijing 100083, Peoples R China
[2] Univ Massachusetts, Dept Food Sci, Amherst, MA 01003 USA
[3] Fac Sci & Prod Bioprod Ind Applicat Res Grp, Dept Biochem, POB 80203, Jeddah 21589, Saudi Arabia
来源：
FOOD CHEMISTRY | 2016年 / 205卷
基金：
中国国家自然科学基金;
关键词：
Lactoferrin-polyphenol conjugates; beta-Carotene; Bilayer emulsions; Physicochemical stability; IN-WATER EMULSIONS; CHLOROGENIC ACID; (-)-EPIGALLOCATECHIN GALLATE; FUNCTIONAL-PROPERTIES; FOOD-INDUSTRY; LACTOFERRIN; IMPACT; LACTOGLOBULIN; COMPLEXES; PECTIN;
D O I：
10.1016/j.foodchem.2016.02.155
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The impact of lactoferrin (LF)-chlorogenic acid (CA) and (-)-Epigallocatechin-3-gallate (EGCG) conjugates on the physicochemical properties of beta-carotene emulsions was investigated. Formation of lactoferrin-polyphenol conjugates, which was confirmed by SDS-PAGE, caused changes in the structure and nature of lactoferrin. Based on layer-by-layer electrostatic deposition, beta-carotene bilayer emulsions were prepared by lactoferrin and lactoferrin-polyphenol conjugates at pH 7.0. The physicochemical properties of primary and secondary emulsions were evaluated and the results suggested that LF-polyphenol conjugates-stabilized primary and secondary emulsions exhibited better emulsifying properties and improved physical stability of beta-carotene bilayer emulsions under freeze-thaw, ionic strength and thermal treatments. In addition, the lactoferrin-polyphenol conjugates could effectively enhance chemical stability of beta-carotene in oil-in-water emulsions against heat treatment and ultraviolet light exposure, and the least degradation of beta-carotene occurred in LF-EGCG conjugate-stabilized primary emulsion. The interfacial engineering technology utilized in this study may lead to the formation of emulsions with improved physicochemical and functional performance. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：129 / 139
页数：11
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