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
收藏
页码：384 / 387
页数：4
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