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《Journal of Central China Normal University(Natural Sciences)》 2006-02
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Antibacterial active constituents from Juncus effusus L.

LI Hong-xia~1,ZHONG Fang-fang~1,CHEN Yu~2,YANG Guang-zhong~1(1.College of Life Sciences,South Central Universities for Nationalities,Wuhan 430074;2.College of Chemistry and Material Sciences,South Central Universities for Nationalities,Wuhan 430074)  
Bioassay-guided isolation by thin layer chromatography bioautography technique,two compounds were isolated from ethyl acetate extract of Juncus effusus L.by normal and reverse phase silica gel column chromatography.Their structures were identified to be 2,7-dihydroxyl-1,6-dimethyl-pyrene(Ⅰ) and dehydroeffusol(Ⅱ) by NMR and ESIMS,respectively.Dehydroeffusol was used for antibacterial activities against(9 bacterial) strains by paper disco diffusion method.It showed inhibitory effect on 4 tested gram(+) bacteria and Candian albicans,and no inhibitory effect on 4 tested gram(-) bacteria.
【Key Words】: Juncus effuses L. antibacterial activity pyrenoids phenanthrenoids
【Fund】: 湖北省自然科学基金资助项目(2005ABA071);; 教育部留学回国人员科研启动基金资助项目
【CateGory Index】: R284
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