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Antioxidant and antihyperlipidemic activities of polysaccharides from sea cucumber Apostichopus japonicus

Published on Nov 1, 2012in Carbohydrate Polymers6.04
· DOI :10.1016/j.carbpol.2012.07.047
Xin Liu7
Estimated H-index: 7
,
Zhenliang Sun8
Estimated H-index: 8
+ 5 AuthorsChangheng Liu8
Estimated H-index: 8
Abstract
Abstract Polysaccharides (AJP) were prepared from Apostichopus japonicus by protease hydrolysis method. Antioxidant activity in vitro and antihyperlipidemic activity in vivo was investigated. Chemical composition analysis indicated that AJP was mainly composed of glucosamine, galactosamine, glucuronic acid, mannose, glucose, galactose and fucose, with an average molecular weight of about 36.2 kDa. The antioxidant capacities of AJP were, respectively, evaluated by the assays of scavenging DPPH, hydroxyl and superoxide radicals, and reducing power in vitro . It showed potent free radical scavenging activities and reducing power. Serum total cholesterol (TC), triglyceride (TG) and low-density lipoprotein (LDL-C) decreased significantly and high-density lipoprotein cholesterol (HDL-C) increased significantly after treatment of hyperlipidemic Wistar rats with AJP. These results suggest that AJP may prove to be a potential candidate of the natural antioxidants as a therapeutic agent for hyperlipidemia.
  • References (29)
  • Citations (97)
References29
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#1Isuru Wijesekara (Pukyong National University)H-Index: 14
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#1Liang-Shuan Zhang (HMU: Harbin Medical University)H-Index: 2
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#1Yuejie Zhang (SDUT: Shandong University of Technology)H-Index: 2
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#1Zhongshan Zhang (CAS: Chinese Academy of Sciences)H-Index: 19
#2Feng Wang (WMU: Weifang Medical University)H-Index: 3
Last.Quanbin Zhang (CAS: Chinese Academy of Sciences)H-Index: 32
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#1Haiping Li (TUC: Tianjin University of Commerce)H-Index: 2
#2Mingming Zhang (TUC: Tianjin University of Commerce)H-Index: 2
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