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《Journal of Guangdong College of Pharmacy》 2007-05
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Identification of the chemical constituents of Hemistepta lyrata

ZOU Zhong-jie1,YANG Jun-shan2(1.Guangdong College of Pharmacy,Guangzhou 510006,China;2.Institute of Medicinal Plant Development,Chinese Academy of Medical Sciences and Peking Union Medical College,Beijing 100094,China)  
Objective To investigate the chemical constituents of Hemistepta lyrata.Methods The entire plants were first extracted by 95% of ethanol,then extracted by petroleum ether,chloroform,ethyl acetate and n-butanol,respectively.The residue from n-butanol extraction was purified on silica gel column chromatograph and Sephadex LH-20 column,respectively.Structures of the purified compounds were elucidated by MS and NMR.Results Four compounds were isolated and identified as syringin(1),salicin(2),allantoin(3) and chlorogenic acid(4).Conclusion Compounds 1 to 4 were isolated from this plant for the first time.
【CateGory Index】: R284.2
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