生姜粗多糖超微粉碎提取及体外抗氧化作用研究

Study on uitrafine grinding extraction and Antioxidant activity ofginger crude polysaccharide

以生姜为原料,利用超微粉碎提取得到生姜粗多糖,研究生姜粗多糖的抗氧化作用,对生姜粗多糖的还原能力,清除羟自由基(·OH)和超氧自由基(O2-·)的能力及体外抗脂质过氧化能力进行测定。结果表明,生姜粗多糖具有一定的抗氧化能力,且随其浓度的增加而增强。

Using ginger as raw material, polysaccharide was extracted with ultrafine grinding echnolo- gy. Antioxidant activity of Ginger crude polysaccharide was evaluated by measuring ferricyanide reducing activity, · OH and O2 ^- scavenging activities,and lipid oxidation inhibiting activity in vitro. Values of all the test indices increased with increasing concentrations of crude polysaccharide.