Structural Characterization and Antioxidant Activity of a Novel Alkaline-Soluble Polysaccharide from Patrinia villosa

被引：1

作者：

He, L. ^{[1
]}

Han, S. F. ^{[1
]}

Cheng, J. W. ^{[1
]}

Wang, Y. B. ^{[1
]}

Ding, H. M. ^{[2
]}

Wei, C. Y. ^{[2
]}

Qian, H. ^{[1
]}

机构：

[1] Zhejiang Forestry Acad, Inst Biol Technol, Key Lab Biol & Chem Utilizat Zhejiang Forest Reso, Hangzhou 310023, Peoples R China

[2] Zhejiang Chinese Med Univ, Testing & Anal Ctr, Hangzhou 310053, Zhejiang, Peoples R China

来源：

CHEMISTRY OF NATURAL COMPOUNDS | 2016年 / 52卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Patrinia villosa; polysaccharide; structural characterization; antioxidant activity; BODIES;

D O I：

10.1007/s10600-016-1654-z

中图分类号：

R914 [药物化学];

学科分类号：

100701 ;

摘要：

A novel alkaline-soluble polysaccharide (PVPS-3), obtained from Patrinia villosa by 9.0% NaOH extraction, was fractionated by anion-exchange and gel filtration chromatography. Using Fourier infrared spectrometry, gas chromatography, methylation, and NMR, we determined PVPS-3 to be a 2.61 kDa heteropolysaccharide composed of L-arabinose, D-mannose, D-glucose, and D-galactose in a ratio of 2.3:1.1:4.9:1.2. Purified PVPS-3 showed concentration-dependent scavenging activity of 2,2-diphenyl-1-picrylhydrazyl radical and moderate hydroxyl radical scavenging (IC50 1.5 mg/mL) compared with crude polysaccharide (IC50 2.3 mg/mL). PVPS-3 is promising as a potential antioxidant.

引用

页码：384 / 387

页数：4

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