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ZHOU Yan , ZHANG Xiaorong , JIANG Sunyuan , LI Chaoluan & PENG Shulin ** ( Lab. Natural Materia Medica, Chengdu Institute of Biology, the Chinese Academy of Sciences , Chengdu 610041)  
From the methanolic extracts of the stems, flowers and seeds of Cycas panzhihuaensis L.Zhou et S.Y. Yang, seven compounds were isolated for the first time and identified as chavicol β rutinoside (1), amentoflavone (2),podocarpusflavone A (3), 5,5″,7,7″,4′,4 hexahydroxy (2′,8″) biflavone (4), β sitosterol (5),daucosterol (6) and palmitic acid (7). Among them,1 and 4 were found for the first time in Cycas. Their structures were established by means of chemical and spectral analyses.
【Fund】: 中国科学院成都地奥科学基金
【CateGory Index】: Q949.620.6
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