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Research progress on preparation and function of alginate oligosaccharides with different structures

  

  • Received:2023-01-12 Revised:2023-11-03 Online:2024-01-15 Published:2024-02-02

Abstract: Alginate is one of the most abundant polysaccharides in marine resources, which can be degraded into alginate oligosaccharides (AOS) by chemical, physical and biological methods. AOS is a linear oligosaccharide composed of guluronic acid and mannuronic acid, which has a variety of biological activities such as bacteriostasis, anti-inflammatory, and immune regulation and these broad biological activities are closely related to the diversity of their structures. AOS prepared by different methods have different uronic acid compositions, polymerization degrees and special structures. Therefore, exploring the relationship between the structure and function of AOS will help to deeply explore the function of AOS and improve the application value of AOS. In this paper, the preparation mechanism and product structure of AOS, and the structure-function relationships of AOS are introduced in order to provide reference for further research and application of AOS.

Key words: alginate, alginate oligosaccharides, preparation method, structure, function

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