【作者】吕喜茹; 郭亮; 常明昌; 李振; 王国晋; 冯翠萍
【Author】LV Xiru1; GUO Liang2; CHANG Mingchang1; LI Zhen1; WANG Guojin1; FENG Cuiping1 1Shanxi Agricultural University; Food Science and Engineering College; Taigu ; Shanxi 030801; China; 2Beijing Vocational College of Agriculture; Beijing 102442; China
【作者机构】山西农业大学食品科学与工程学院; 北京农业职业学院
【摘要】 为研究姬松茸(Agaricus blazei)粗多糖的抗氧化作用,对姬松茸粗多糖的还原能力、螯合金属离子能力,清除DPPH·和O2-·的能力及体外抗脂质过氧化能力进行测定。结果表明,姬松茸粗多糖具有一定的抗氧化能力,且随其浓度的增加而增强。当浓度为2mg/mL时,还原力测试混合液的吸光值为0.293,对金属螯合率、DPPH·和O2-·的清除率以及体外脂质过氧化抑制率分别为40.1%、88.8%、71.2%和84.5%。
【Abstract】 Antioxidant activity of Agaricus blazei Murill polysaccharide was evaluated by measuring ferricyanide reducing activity,metal chelating activity,DPPH· and O2-· scavenging activities,and lipid oxidation inhibiting activity in vitro. Values of all the test indices increased with increasing concentrations of crude polysaccharide. At 2 mg/mL polysaccharide concentration,low ferricyanide reducing activity was detectable,and recorded metal chelating,DPPH· and O2-· scavenging,and lipid oxidation inhibiting activities were 40.1%,88.8%,71.2% and 84.5%,respectively.
【关键词】 姬松茸; 粗多糖; 还原力; 金属螯合率; 自由基清除率; 脂质过氧化
【Key words】 Agaricus blazei; polysaccharide; reducing power; metal chelation; radical scavenging activity; lipid oxidation
【基金】山西农业大学博士科研启动经费项目(编号:412564);; 山西省科技攻关项目(编号:021025);; 山西省自然科学基金(编号:2010011043-1)的部分研究内容
【文献出处】 食用菌学报,Acta Edulis Fungi,编辑部邮箱,2010年01期
【DOI】CNKI:SUN:SYJB.0.2010-01-016
【分类号】S646.19
