壳聚糖
化学
生物相容性材料
乳状液
褐变
大豆蛋白
抗氧化剂
苯酚
粒径
微球
色谱法
化学工程
食品科学
生物医学工程
生物化学
有机化学
物理化学
工程类
医学
作者
Sunan Gao,Mingyi Yang,Zisheng Luo,Zhaojun Ban,Ya Pan,Mengyun Tu,Quan Ma,Xingyu Lin,Yanqun Xu,Li Li
标识
DOI:10.1016/j.foodhyd.2021.107325
摘要
In this work, the soy protein/chitosan-based microsphere (SCM), as a stable biocompatible vehicle of oleanolic acid (OA), was constructed for the first time under acidic conditions, and OA was firstly used for quality maintenance of minimally processed products. The effect of soybean protein isolate/chitosan ratio, particle concentration and oil fraction on emulsion stability was studied. Additionally, the interfacial characteristics of SCM with and without loading OA were determined by cryo-SEM. Results demonstrated that the encapsulation efficiency of SCM embedded with 0.15% OA (SCM-OA0.15%) rated up to 87.53% ± 2.23%, and SCM-OA showed smaller particle size, greater stability, and better liquid-state behavior, as well as the enhanced antibacterial and antioxidant properties in comparison to the control and SCM group. The minimally processed apples were used to evaluate the potential application of SCM-OA delivery system and it was evident that SCM-OA contributed to reducing weight loss, maintaining total phenol content and inhibiting color browning of minimally process apples. These findings shed new light on the emerging biocompatible vehicles of plant-derived bioactive substance.
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