桑叶总黄酮清除自由基作用研究 |
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引用本文: | 薛淑萍,张立伟.桑叶总黄酮清除自由基作用研究[J].山西师范大学学报,2009,23(4):66-68. |
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作者姓名: | 薛淑萍 张立伟 |
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作者单位: | [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 |
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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%.
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关 键 词: | 桑叶总黄酮 自由基 清除作用 |
Study on Scavenging free radical of Total flavones of Mulberry |
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Institution: | XUE Shu-ping, ZHANG Li-wei ( 1. Department of Mines, Lvliang High College, Lvliang 033000, Shanxi, China ; 2. Institute of Molecular Science, Shanxi University, Tanyuan 030006, Shanxi , China) |
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Abstract: | 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. |
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Keywords: | Total flavones of mulberry Free radicals Scavenging effect |
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