文献类型： 外文期刊
作者： Luo, Ying 1 ; Wang, Hui 1 ; Xu, Xuerong 1 ; Mei, Wenli 1 ; Dai, Haofu 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Minist Agr, Key Lab Trop Crop Biotechnol, Haikou 571101, Peoples R China
2.Hainan Key Lab Res & Dev Nat Prod Li Folk Med, Haikou 571101, Peoples R China
3.Hainan Key Lab Res & Dev Nat Prod Li Folk Med, H
关键词： Dracaena cambodiana;DPPH;ABTS(+);antioxidant activity;chemical constituent
期刊名称：MOLECULES （ 影响因子：4.411； 五年影响因子：4.587 ）
ISSN： 1420-3049
年卷期： 2010 年 15 卷 12 期
页码：
收录情况： SCI
摘要： The antioxidant activities of the petroleum ether, ethyl acetate, n-BuOH and water extract fractions from Dracaena cambodiana Pierre ex Gagnep were evaluated in this study. The ethyl acetate fraction contained the highest amount of total phenolics and total flavonoids, and showed the greatest DPPH(center dot), ABTS(+) and Superoxide anion radical-scavenging capacities. The DPPH(center dot), ABTS(+) and Superoxide anion radical-scavenging capacities of nine compounds isolated from the ethyl acetate fraction were also evaluated. The results indicated that these compounds contributed to the antioxidant activity of D. cambodiana. Therefore, D. cambodiana and these compounds might be used as natural antioxidants.
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