Structural and functional investigation on stem and peel polysaccharides from different varieties of pitaya
文献类型： 外文期刊
第一作者： Zheng, Chi-Chong
作者： Zheng, Chi-Chong;Li, Tong;Lu, Tian;Wu, Meng-Ke;Man, Ruo-Jun;Zheng, Chi-Chong;Li, Tong;Tang, Ya-Yuan;Lu, Tian;Wu, Meng-Ke;Man, Ruo-Jun;He, Xue-Mei;Zhou, Zhu-Gui;Zheng, Chi-Chong;Li, Tong;Tang, Ya-Yuan;Lu, Tian;Wu, Meng-Ke;Sun, Jian;He, Xue-Mei;Zhou, Zhu-Gui;Zheng, Chi-Chong;Man, Ruo-Jun
作者机构：
关键词： Pitaya peel polysaccharides; Pitaya stem polysaccharides; Characterization; Antioxidant activity; Anti-inflammatory activity
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.2； 五年影响因子：7.8 ）
ISSN： 0141-8130
年卷期： 2024 年 259 卷
页码：
收录情况： SCI
摘要： Varieties of plant species may affect the composition and structures of the polysaccharides, thus have an impact on their chemical properties and biological activities. Herein, the present study comparatively evaluated the differences in the chemical composition, morphological structures, antioxidant activity, and anti-inflammatory activity of the stem and peel polysaccharides from different varieties of pitaya. The FT-IR and NMR spectra indicated that the six polysaccharides had similar structural features, whereas the physicochemical characterization showed that they differed significantly in terms of the monosaccharide composition, molecular weight, and surface morphology. In addition, different varieties of pitaya polysaccharides exhibited different antioxidant activities and similar anti-inflammatory activities. These data suggested that varietal differences resulted in pitaya stem and peel polysaccharides with different monosaccharide compositions and molecular weights, thus led to different antioxidant activities and protection against oxidative damage, while similar structural features were closely related to their similar anti-inflammatory activities. Therefore, the study of the stem and peel polysaccharides from different varieties of pitaya can help us to better understand the relationship between their composition and structure and their biological activities. In addition, pitaya stem and peel polysaccharides have the potential to act as antioxidants or to treat inflammatory damage.
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