Research Progress on Preparation and Modification of Sodium Alginate-based Gel Spheres and Its Application in Food Packaging

被引：0
作者：
Yang X. [1 ]
Ma S. [2 ]
Wang L. [1 ,3 ]
机构：
[1] School of Mechanical Engineering, Jiangnan University, Wuxi
[2] School of Food Science and Technology, Jiangnan University, Wuxi
[3] Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology, Wuxi
来源：
Science and Technology of Food Industry | 2023年 / 44卷 / 24期
关键词：
edible packaging; gel spheroidization; microencapsulation; modification; sodium alginate;
D O I：
10.13386/j.issn1002-0306.2023020228
中图分类号：
学科分类号：
摘要：
Sodium alginate is a natural polysaccharide material with good gel properties. Presently, the sodium alginate-based gel beads prepared by gel properties are mainly used as microcapsules in the encapsulation of probiotics, the immobilization of cells and enzymes, and the encapsulation of essential oils. However, in recent years, using sodium alginate gel spheroidization technology to package viscous liquids has also attracted many studies, showing good application prospects. This paper summarizes the formation mechanism of sodium alginate gel balls. The preparation methods and application scope of sodium alginate gel balls are mainly summarized, including the forward spheroidization method, emulsion gel method, reverse spheroidization method, frozen reverse spheroidization method and coaxial extrusion method. Because the gel strength, water holding capacity and embedding rate of sodium alginate-based gel beads greatly affect their application, the compound mixing and hydrophobic modification of sodium alginate and the improvement method of secondary coating of sodium alginate-based gel beads are discussed. Finally, the application and development prospect of sodium alginate gel beads in food packaging is introduced, which provide theoretical references and new ideas for future research on sodium alginate gel beads in food packaging. © 2023 Editorial Department of Science and Technology of Food Science. All rights reserved.
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页码：376 / 383
页数：7
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