The Chemical, Structural, and Biological Properties of Crude Polysaccharides from Sweet Tea (Lithocarpus litseifolius (Hance) Chun) Based on Different Extraction Technologies

文献类型： 外文期刊

第一作者： Guo, Huan

作者： Guo, Huan;Li, Hang;Gan, Ren-You;Guo, Huan;Fu, Meng-Xi;Li, Hang;Gan, Ren-You;Fu, Meng-Xi;Zhao, Yun-Xuan;Wu, Ding-Tao;Li, Hua-Bin;Wu, Ding-Tao;Gan, Ren-You

作者机构：

关键词： herbal tea; extraction methods; polysaccharides; structural properties; biological properties

期刊名称：FOODS （ 影响因子：4.35； 五年影响因子：4.957 ）

ISSN：

年卷期： 2021 年 10 卷 8 期

页码：

收录情况： SCI

摘要： Eight extraction technologies were used to extract sweet tea (Lithocarpus litseifolius (Hance) Chun) crude polysaccharides (STPs), and their chemical, structural, and biological properties were studied and compared. Results revealed that the compositions, structures, and biological properties of STPs varied dependent on different extraction technologies. Protein-bound polysaccharides and some hemicellulose could be extracted from sweet tea with diluted alkali solution. STPs extracted by deep-eutectic solvents and diluted alkali solution exhibited the most favorable biological properties. Moreover, according to the heat map, total phenolic content was most strongly correlated with biological properties, indicating that the presence of phenolic compounds in STPs might be the main contributor to their biological properties. To the best of our knowledge, this study reports the chemical, structural, and biological properties of STPs, and the results contribute to understanding the relationship between the chemical composition and biological properties of STPs.

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