桑叶总黄酮清除自由基作用研究  

Study on Scavenging free radical of Total flavones of Mulberry

作　　者：薛淑萍[1] 张立伟[2] 

机构地区：[1]山西省吕梁高等专科学校矿业工程系,山西吕梁033000 [2]山西大学分子科学研究所,山西太原030006

出　　处：《山西师范大学学报（自然科学版）》2009年第4期66-68,共3页Journal of Shanxi Normal University(Natural Science Edition)

摘　　要：利用紫外光谱法研究了桑叶总黄酮对1,1-二苯基-2-苦肼基自由基(DPPH.)、羟基自由基和超氧阴离子自由基的清除作用.结果表明,桑叶总黄酮能有效清除DPPH自由基、羟基自由基和超氧阴离子自由基,清除率分别达到86.10%,86.02%,43.64%.The scavenging effects in vitro of total flavones of mulberry on 1, 1-diphenyl-2-picrylhydrazyl free radical （ DP- PH^＊ ）, hydroxyl radical （OH^＊）, superoxide radical （O2^-＊）, were studied by urVis spectrum. The results showed that total flavones of Mulberry could be well used in scavenging DPPH^＊ , OH^＊ , and O2^-＊ , and the maximum scavenging rates were 86.10% ,86.02% and 43.64% , respectively.

关 键 词：桑叶总黄酮 自由基 清除作用 

分 类 号：O622.4[理学—有机化学]