壳聚糖
脂质体
封装(网络)
槲皮素
体外
化学
材料科学
纳米技术
生物化学
抗氧化剂
计算机网络
计算机科学
作者
Juan Huang,Qiang Wang,Xuejun Kang,Qiang Xia
标识
DOI:10.1016/j.lwt.2019.108615
摘要
Abstract This study concentrates on developing linseed oil and quercetin co-loaded liposomes-chitosan hydrogel beads to enhance their stability and solubility. Scanning electron microscope (SEM) analysis revealed that the constructed hydrogel beads had three-dimensional network structure and liposomes were entrapped evenly within polymer network. X-ray diffraction (XRD) study illustrated that quercetin was in an amorphous or dissolved form in hydrogel beads. Thermodynamic properties of chitosan and soybean lecithin with phosphatidyl cholines of 60% (PC60) changed after ion crosslinking. After loaded into hydrogel beads, the release of quercetin and ɑ-linolenic acid became slow and can be explained by Higuchi model which indicated that bioactives were released from the skeleton of the hydrogel beads by the mechanism of Fick diffusion. The in vitro simulated digestion study showed that hydrogel beads could improve the stability of liposomes in gastrointestinal tract and inhibit the rapid release of fatty acids. The accelerated oxidation and photostability studies showed that the chemical stability of functional bioactives could be improved by loading liposomes into hydrogel beads. Hence, chitosan hydrogel bead is an attractive candidate for the encapsulation of functional bioactives for use in food industry.
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