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Recent advances in pressurized hot water extraction/modification of polysaccharides: Structure, physicochemical
Jiangfei Li1,2,3,4, Guanjun Ye1,3, Junwen Wang1,2,3
1Department of Food Nutrition and Health, School of Medicine and Health, Faculty of Life Sciences and Medicine, Harbin Institute of Technology, Harbin, China.
Abstract:
Pressurized hot water, as a green and efficient physical treatment technology, has been widely utilized for the extraction and modification of polysaccharides, with the objective of enhancing the physicochemical properties and biological activities of polysaccharides applied in food systems. This article reviews the recent advances regarding the effects of pressurized hot water treatment (extraction and modification) on polysaccharide extraction rates, structure, physicochemical properties, and bioactivities. The potential modes and mechanisms of polysaccharides subjected to pressurized hot water treatment and the relevant applications of these treated polysaccharides are also thoroughly discussed. Finally, the challenges that it may encounter in commercial applications are analyzed, and the future trends in this field are envisioned. This article will be of great value for the scientific elucidation of polysaccharides treated with pressurized hot water and their potential food applications.
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