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1、第29卷第8期中国中药杂志Vol.29,Issue82004年8月ChinaJournalofChineseMateriaMedicaAugust,2004(2H,d,J=8.4Hz)及1组蔗糖H信号。通过与文献2)及1组蔗糖H信号。对照文献[5],鉴定化合物4[5]相对照,鉴定化合物3为3c-3,4,5-trimethoxycin-为3c,6-disinapoylsucrose。namate-6-p-hydroxybenzoylsucrose,即tenuifolisideA。[参考文献]13C-NMR数据见表1。[
2、1]中国药典.一部.2000.123.[2]JIANGYong,TUPeng-fei.FourxanthoneO-glycosidesfromPolygala化合物4黄色无定型粉末,FAB-MSm/z:753tenuifolia.Phytochemistry,2002,4(8):813.--1[M-H]。IR(KBr)cm:3405(OH),1699(C=O),[3]JIANGYong,TUPeng-fei.Studiesonthechemicalconstituentsofthe11631(C=C),1601,15
3、15,1460(苯环)。H-NMR中rootsofPolygalatenuifolia.中草药,2002,33(10):874.给出了2组特征性的sinapoyl信号D:7.70(1H,d,[4]ToshioMiyase,HiroshiNoguchi,ChenXin-min.SucroseestersandJ=15.9Hz),6.54(1H,d,J=15.9Hz),7.05(2H,xanthoneC-glycosidesfromtherootsofPolygalasibrica.JNatProd,1999,62(7)
4、:993.s),3.89(6H,s,OMe);7.63(1H,d,J=15.9Hz),6.45[5]ToshioMiyase,AkiraUeno.SucrosederivativesfromtherootsofPoly-(1H,d,J=15.9Hz),7.03(2H,s),3.87(6H,s,OMe@galatenuifolia.ShoyakugakuZasshi,1993,47(3):267.StudiesonthechemicalconstituentsinrootbarkofPolygalatenuifolia
5、(Ò)JIANGYong,TUPeng-fei(ModernResearchCenterofTraditionalChineseMedicine,DepartmentofNaturalMedicines,SchoolofPharmaceuticalSciences,PekingUniverstyHealthScienceCenter,Beijing100083,China)[Abstract]Objective:TostudythechemicalconstituentsofPolygalatenuifolia.Me
6、thod:Isolationswereperformedonvariouschro-matographycolumnsandstructureelucidationswereaidedbyspectraldataandchemicalpropertyanalyses.Result:Fourcompoundswereiso-latedfromtherootsofP.tenuifolia.TheirstructureswereidentifiedassibiricoseA5(1),sibiricoseA6(2),tenu
7、ifolisideA(3)and3c,6-dis-inapoylsucrose(4).Conclusion:Compounds1and2wereisolatedfromthisplantforthefirsttime.[Keywords]Polygalatenuifolia;chemicalconstituents;sucroseester[责任编辑李禾]若干中草药中25种元素在不同浸取液中的分布1*1111221王京宇,欧阳荔,刘雅琼,解清,黄卓,屠鹏飞,郭绪林,刘虎生(1.北京大学公共卫生学院,北京100083;
8、2.北京大学药学院,北京100083)[摘要]目的:通过测定不同浸取液中25种元素含量,探讨这些元素在中草药中的存在形态。方法:对同一产地的5种不同中草药密蒙花Buddlejaofficinalis、白鲜皮Dictamnusdasycarpus、肉豆蔻Myristicafragrans、合欢Albiziajulibrissin、旋覆花Inula