CO2-triggered switchable hydrophilicity solvent as a recyclable extractant for ultrasonic-assisted extraction of Polygonatum sibiricum polysaccharides

文献类型： 外文期刊

第一作者： Chen, Jincui

作者： Chen, Jincui;Tan, Zhijian;Chen, Jincui;Tan, Zhijian;Xu, Yuan

作者机构：

关键词： Polygonatum sibiricum polysaccharides; Switchable hydrophilicity solvents; Solid -liquid extraction; Ultrasonic -assisted extraction; Recyclable extractant

期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）

ISSN： 0308-8146

年卷期： 2023 年 402 卷

页码：

收录情况： SCI

摘要： In this study, CO2-triggered switchable hydrophilicity solvents (SHSs) based on different amines and water were employed in the ultrasonic-assisted extraction of Polygonatum sibiricum polysaccharides (PSPs). When CO2 was pumped into the amine, the solution became hydrophilic and could be used as an extractant for PSPs extraction. When CO2 was removed, the solution switched hydrophobicity, with the extractants being separated from the extract and further recycled and reused. The factors affecting the solid-liquid extraction of PSPs were studied. The maximum extraction yield of 399.2 mg/g was obtained at a solid-liquid ratio of 1:20, extraction time of 60 min, extraction temperature of 50 degrees C, and ultrasonic power of 500 W. SHSs could be recovered and reused with 88.4% recovery after the fifth cycle. The molecular weights and monosaccharide compositions of PSPs were also determined. This study provides a new strategy for sustainable extraction of plant polysaccharides and other bioactive ingredients.

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