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Bulletin of Botanical Research ›› 2017, Vol. 37 ›› Issue (4): 628-634.doi: 10.7525/j.issn.1673-5102.2017.04.020

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Antioxidant Activities of Polysaccharides from Cronartium orientale Aeciospores in vitro

DI Xue-Ying, JIA Shu-Han, XUE Yu, YANG Guang, ZHAO Bo, WENG Yue-Tai   

  1. School of forestry, Northeast Forestry University, Harbin 150040
  • Received:2017-01-17 Online:2017-07-15 Published:2017-07-22
  • Supported by:
    State Bureau of Forestry 948 project(2015-4-35)

Abstract: We prepared the wall-breaking Cronartium orientale aeciospore refined polysaccharides to study the antioxidant activities in vitro, and assayedthe polysaccharides' bioactivities including total antioxidant capacity, total reducing power, and capacities of scavenging 1,1-diphenyl-2-picrylhydrazyl free radicals(DPPH·), scavenging hydroxyl free radical(·OH), scavenging superoxide anion(O2·). The polysaccharides' reducing power was lower than Vc, but with a strong total antioxidant capacity.The matrix of most of oxygen free radicals O2· and artificial free radical DPPH· could not be scavenged,but it could effectively scavenge the organism's most destructive free radical ·OH. C.orientale aeciospore polysaccharides could scavenge free radicals selectively. Therefore, the polysaccharides possessed potential value on exploitation and could provide reference to other researchers and a theoretical basis for exploitation of forest pests.

Key words: Cronartium orientale aeciospores, polysacchrides, free radicals, antioxidation

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