Microwave assisted hydrothermal extraction of polysaccharides from Ulva prolifera: Functional properties and bioactivities

文献类型： 外文期刊

第一作者： Yuan, Yuan

作者： Yuan, Yuan;Jing, Changliang;Zou, Ping;Zhang, Chengsheng;Li, Yiqiang;Xu, Xiang

作者机构：

关键词： Sulfated polysaccharides;Ulva prolifera;Microwave assisted hydrothermal extraction;Functional properties;Antioxidant activity;Pancreatic lipase inhibition activity

期刊名称：CARBOHYDRATE POLYMERS （ 影响因子：9.381； 五年影响因子：8.678 ）

ISSN： 0144-8617

年卷期： 2018 年 181 卷

页码：

收录情况： SCI

摘要： Sulfated polysaccharides from green tide algae Ulva prolifera were effectively extracted by microwave assisted hydrothermal extraction technology. The properties and bioactivities of polysaccharides could be controlled by extraction conditions. While rhamnose, galacturonic acid and glucose were major monosaccharides at 90 degrees C with 0.01 M HCl, glucose was the major monomer at 150 degrees C with 0.1 M HCl. Sulfur content increased with temperature and acid concentration, while molecular weight decreased with temperature and concentration. Functional property analysis showed that polysaccharides extracted from 90 degrees C, 0.05 M HCl had the best water-holding capacity (41.32 g/g) and oil-holding capacity (15.09 g/g), and polysaccharides extracted from 150 degrees C, 0.05 M HCl had the best foaming properties ( foaming capacity 143% and foaming stability 113%, respectively). In addition, polysaccharides extracted from 150 degrees C, 0.1 M HCl exhibited higher antioxidant activity and pancreatic lipase inhibition activity. The relationship between polysaccharide compositions/molecular weight and properties/bioactivities was discussed.

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