Structural characterization and antioxidant activity of polysaccharide from ginger

被引：80
|
作者：
Wang, Yun [1 ]
Wei, Xuelian [2 ]
Wang, Fuhou [3 ]
Xu, Jingjing [1 ]
Tang, Xiaozhen [1 ]
Li, Ningyang [1 ]
机构：
[1] Shandong Agr Univ, Coll Food Sci & Engn, Tai An 271018, Shandong, Peoples R China
[2] Univ Illinois, IL6801, Urbana, IL USA
[3] Gasu Polytech Coll Anim Husb & Engn, Wuwei 733006, Peoples R China
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2018年 / 111卷
关键词：
ginger polysaccharide; antioxidant activity; structural characterization; WATER-SOLUBLE POLYSACCHARIDES; PHYSICOCHEMICAL PROPERTIES; HYPOGLYCEMIC ACTIVITY; ANTITUMOR ACTIVITIES; GRIFOLA-FRONDOSA; IN-VITRO; EXTRACT; PURIFICATION; FRUIT; PULP;
D O I：
10.1016/j.ijbiomac.2018.01.087
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：
Two components ginger polysaccharide 1 (GP1) and ginger polysaccharide 2 (GP2) were extracted. The results showed that the molecular weights of GP1 and GP2 were 6128 Da and 12,619 Da, respectively. The composition and proportion of GP1 and GP2 were mannose, glucose and galactose in a molar ratio of 4.96: 9224: 2.80 and arabinose, mannose, glucose and galactose in a molar ratio of 4.78: 16.70: 61.77: 16.75, respectively, illustrating that GP1 and GP2 were not a kind of homopolysaccharide. GP1 has a three-helix structure, and the structure is closely linked. GP2 contains sulfuric acid groups, and has a high oxidation resistance, its structure is more evacuated and messy. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：862 / 869
页数：8
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