Structure characteristics of a water-soluble polysaccharide purified from dragon fruit (Hylocereus undatus) pulp

被引：64

作者：

Xu, Lishan ^{[1
]}

Zhang, Yaojie ^{[1
]}

Wang, Lizhi ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Coll Chem & Life Sci, Jinhua 321004, Peoples R China

来源：

CARBOHYDRATE POLYMERS | 2016年 / 146卷

关键词：

Dragon fruit; Polysaccharide; NMR; Precise structure; GC-MS; CELL-WALL POLYSACCHARIDES; STRUCTURE IDENTIFICATION; ARABINOGALACTAN-PROTEIN; NMR-SPECTROSCOPY; YARIV REAGENT; RHAMNOGALACTURONAN; ARABINOFURANOSE; ARABINAN; PEEL;

D O I：

10.1016/j.carbpol.2016.03.060

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Dragon fruit is a tropical fruit with good taste. It can bring health benefits to human body. As one of the major bioactive components in this fruit, the polysaccharides might contribute to the health benefits. However, the precise structure information remains unknown. A leading polysaccharide of dragon fruit pulp, DFPP, was purified and identified by NMR and GC-MS. -> 4-beta-D-GlcpA-1 ->, -> 6-beta-D-Galp-1 -> and -> 4-alpha-L-Rhap-1 -> constituted the backbone and alpha-L-Araf-1 -> 5-alpha-L-Araf-1 -> formed the branch chain. The precise structure was putatively identified as below. The molecular weight was 2.2 x 10(3) kDa. The structure information of polysaccharides will be helpful to understand this fruit. [GRAPHICS] (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：224 / 230

页数：7

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