Effect of ultrasonic treatment on structure and antitumor activity of mycelial polysaccharides from Cordyceps gunnii

被引：62
|
作者：
Zhu, Zhen-Yuan [1 ]
Pang, Wei [1 ]
Li, Yuan-Yuan [1 ]
Ge, Xiao-Ran [1 ]
Chen, Li-Jing [2 ]
Liu, Xiao-Cui [1 ]
Lv, Qiang [1 ]
Dong, Guo-Ling [1 ]
Liu, An-Jun [1 ]
Zhang, Yongmin [3 ]
机构：
[1] Tianjin Univ Sci & Technol, Key Lab Food Nutr & Safety, Minist Educ, Coll Food Sci & Biotechnol, Tianjin 300457, Peoples R China
[2] Shanghai Ocean Univ, Minist Agr, Key Lab Freshwater Fishery Germplasm Resources, Shanghai 201306, Peoples R China
[3] Univ Paris 06, Inst Parisien Chim Mol, CNRS UMR 8232, F-75005 Paris, France
来源：
CARBOHYDRATE POLYMERS | 2014年 / 114卷
关键词：
C; gunnii; Mycelial polysaccharide; Ultrasonic; Antitumor activity; Structure; SUGARS;
D O I：
10.1016/j.carbpol.2014.07.068
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Taking mycelial polysaccharides from Cordyceps gunnii (C. gunnii) as the study subject, the effect of ultrasonic power, time and concentration of polysaccharides on antitumor activity of the polysaccharides was investigated. The ultrasonic processing condition of the polysaccharides was optimized by using orthogonal test design, and determined to be 400 W, 15 min and 1 g/L. The change of structures of polysaccharides before and after ultrasonic treatment was also studied. Results show that ultrasonic treatment did not change the characteristic attribute of polysaccharides from C gunnii. The composition of monosaccharide residues and the category of glycosidic bond have not been changed. But the molecular weight and intrinsic viscosity was reduced, and the alpha-helicity was enhanced after ultrasonic treatment. It was possible that ultrasonic treatment is an effective way for enhancing antitumor activity of polysaccharides. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：12 / 20
页数：9
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