Chemical characterization and antioxidant activities of polysaccharides isolated from the stems of Parthenocissus tricuspidata

被引：36

作者：

Liang, Xiaoxia ^{[1
]}

Gao, Yingying ^{[1
]}

Fei, Wenbo ^{[1
]}

Zou, Yuanfeng ^{[1
]}

He, Min ^{[1
]}

Yin, Lizi ^{[1
]}

Yuan, Zhixiang ^{[1
]}

Yin, Zhongqiong ^{[1
]}

Zhang, Wei ^{[1
]}

机构：

[1] Sichuan Agr Univ, Coll Vet Med, Nat Med Res Ctr, Chengdu 611130, Sichuan, Peoples R China

来源：

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2018年 / 119卷

基金：

中国国家自然科学基金;

关键词：

P; tricuspidata; Polysaccharides; Pro-antioxidant activity; MOLECULAR-WEIGHT; PHYSICOCHEMICAL PROPERTIES; STRUCTURAL-ANALYSIS; EXTRACTION; DERIVATIVES; OPTIMIZATION; PURIFICATION; CAPACITY; ACID; BHT;

D O I：

10.1016/j.ijbiomac.2018.07.131

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Four polysaccharides, PTP-1, PTP-2, PTP-3 and PTP-4, were obtained from the water extraction of the sterns of P. tricuspidata by anion exchange chromatography and gel filtration. The antioxidant activities of four PTPs were investigated, exhibiting different antioxidant activities, in which PTP-4 performed noticeable, with strong superoxide radical activity (comparable to BHT), high DPPH radical activity (78.53% at 1250 mu g/mL), moderate hydroxyl radical scavenging activity and reducing power activity. Furthermore, the chemical structure of PTP-4 was measured by FT-IR, GC,H-1 and C-13 NMR spectra, indicating its mainly composition of the arabinose, xylose, galactose, glucuronic acid, and mannose. Thus, the stems of P. tricuspidata could be used as a potential source for natural antioxidant. (C) 2018 Published by Elsevier B.V.

引用

页码：70 / 78

页数：9

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