银杏叶和柘树提取物的抗氧化作用  

ANTIOXIDANT ACTION OF EXTRACT OF GINKGO BILOBA(EGb)AND EXTRACT OF CUDRANIA TRICUSPIDATA(ECt)

作　　者：张可炜[1] 徐誉泰[1] 张举仁[1] 张德良 任玉珍 

机构地区：[1]山东大学生物系,山东济南250100

出　　处：《山东大学学报（自然科学版）》2000年第4期469-472,共4页Journal of Shandong University(Natural Science Edition)

基　　金：山东省科委资助项目!(971 1 6460 1 )

摘　　要：采用Fe2 + 诱发卵黄多不饱和脂肪酸氧化 ,紫外线和H2 O2 、Fe2 + 诱导细胞膜脂质过氧化模型 .评价银杏叶提取物 (EGb)和柘木提取物 (ECt)的清除自由基作用 .结果表明 ,EGb、ECt具有良好的清除自由基作用 ,其活性随浓度增大而增强 .Three peroxidation models,which of yolk polyunsaturated fatty acid induced by Fe 2+ ,and of erythrocyte membrane lipid induced by ultraviolet irradiation and Fe 2+ as well as H 2O 2,were established for studying the effect of EGb and ECt on free radical scavenging.The result indicated that EGb and ECt had strong free radical scavenging activity which increased with increasing of their concentration.

关 键 词：银杏叶提取物 柘木提取物 羟自由基 抗氧化作用 

分 类 号：Q94－33[生物学—植物学] R285.5[医药卫生—中药学]