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时间:2020-04-21
《HPLC-ELSD同时测定筋骨草药材中乙酰哈巴苷和哈巴苷含量-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、2014年7月第21卷第7期中国中医药信息杂志·89·HPLC—ELSD同时测定筋骨草药材中乙酰哈巴苷和哈巴苷含量温彬宇,李建荣1.中关村海淀园企业博士后工作站康辰医药股份有限公司,北京100085:2.中国中医科学院中药研究所,北京100700摘要:目的建立高效液相色谱一蒸发光散射检测器法(HPLC~ELSD)同时测定筋骨草药材中乙酰哈巴苷和哈巴苷含量的方法,并对不同产地和批次的筋骨草药材进行测定。方法采用DikmaCs色谱柱(4.6IIlII×150mm,5LⅡn):流动相A为水,B为乙腈,梯度洗脱(0~6min,5%B:6~11min,5%~15%B:l1~17
2、min,15%B):洗脱流速1mL/min:柱温30℃。蒸发光散射检测器漂移管温度103℃,以压缩空气为雾化气,气体流速1.6L/min。结果乙酰哈巴苷在0.017~17.32g、哈巴苷在0.0031.62范围内呈良好线性关系,精密度和准确性良好。福建6个批号样品的乙酰哈巴苷和哈巴苷含量较高。结论乙酰哈巴苷和哈巴苷可作为监测筋骨草药材质量的指标性成分。关键词:筋骨草;乙酰哈巴苷;哈巴苷;高效液相色谱法:蒸发光散射检测器:含量测定D0l:10.3969/j.issn.1005—5304.2014.07.026中图分类号:R284.1文献标识码:A文章编号:1005—53
3、04(2014)07—0089—04SimultaneousDeterminationof8-O—acetylharpagideandHarpagideinAjugadecumbensThunb.byHPLC—ELSDWENBin.yu,一。LIJian.rong.KonrunsPharmaceuticalCo.Ltd,PostdoctoralWorkstationofZhongguancunHaidianSciencePark,Beijing100085,China;2.InstituteofChineseMateriaMedica,ChinaAcademyofCh
4、ineseMedicalSciences,ae#ing100700,China)Abstract:0biectiveTobuildanHPLC—ELSDmethodforsimultaneousdeterminationof8一O—acetylharpagideandharpagideinAjugadecumbensThunb.:TodetermineAjugadecumbensThunb.samplesfromdifferentareaandofdiferentbatches.MethodsChromatographicseparationwasachievedon
5、aDikmaC18column(4.6mm×150mm,5pm).Themobilephaseconsistedofwater(A)andacetonitrile(B),usingagradientelutionof5%Bat0—6min,5%一15%Bat6—11min,15%Batl1—17min.andtheflowratewas1.0mL/min.Anevaporativelightscattering—detector(ELSD)wasusedwiththetemperatureofdrifttubeat103℃andthegasflowrateofairw
6、asat1.6L/rain.ResultsGoodlinearitywasshownattheconcentrationrangeof0.017—17.32lagfor8~0一acetylharpagide.and0.003—1.62lagforharpagide.Thevalidatedmethodwasofgreatprecisionandaccuracy.Thecontentsof8—0一acetylharpagideandharpagideinAjugadecumbensThunb.fromFujianprovincewerehigherthanthecont
7、entsinotherlocalities.ConclusionThecontentofharpagidecanbeusedasindexcomponenttomonitorqualitycontrolofAjugadecumbensThunb..Keywords:AjugadecumbensThunb.:8一O—acetylharpagide:harpagide;HPLC:ELSD:contentdetermination筋骨草AjugadecumbensThunb.又名金疮小草或药典》(一部),具有清热解毒、凉血消肿功效,用于治白毛夏枯草,药用始
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