·1582·中草药2023年3月第54卷第5期ChineseTraditionalandHerbalDrugs2023MarchVol.54No.5HPLC测定壮药羊开口中3,3′,4′-三甲氧基鞣花酸-4-O-β-D-吡喃葡萄糖苷的含量5刘立辉,黄丽玲,唐林波,常华,邹洵*桂林三金药业股份有限公司,广西桂林541004摘要:目的建立HPLC测定壮药羊开口中3,3′,4′-三甲氧基鞣花酸-4-O-β-D-吡喃葡萄糖苷的含量方法。方法采用WelchMaterialsUltimateAQC18反相色谱柱(250mm×4.6mm,5μm);流动相为乙腈-0.2%磷酸水溶液,采用梯度洗脱,体积流量为1.0mL/min,检测波长为246nm,柱温为35℃。结果3,3′,4′-三甲氧基鞣花酸-4-O-β-D-吡喃葡萄糖苷进样量在0.02~0.60μg内与峰面积线性关系良好(r=1.0000);平均回收率为105.58%,RSD为2.27%。结论该方法简便、重复性好、准确度高,可用于壮药羊开口的质量控制。关键词:羊开口;野牡丹;3,3′,4′-三甲氧基鞣花酸-4-O-β-D-吡喃葡萄糖苷;HPLC;质量控制中图分类号:R286.2文献标志码:A文章编号:0253-2670(2023)05-1582-04DOI:10.7501/j.issn.0253-2670.2023.05.025Determinationof4-O-β-D-glucopyranosyl-3,3′,4′-tri-O-methylellagicacidinZhuangMedicineRadixMelastomatisNormalisbyHPLCLIULi-hui,HUANGLi-ling,TANGLin-bo,CHANGHua,ZOUXunGuilinSanjinPharmaceuticalCo.,Ltd.,Guilin541004,ChinaAbstract:ObjectiveToestablishaHPLCmethodforthedeterminationof4-O-β-D-glucopyranosyl-3,3′,4′-tri-O-methylellagicacidinZhuangMedicineRadixMelastomatisnormalis.MethodsAWelchMaterialsUltimateAQC18reversephasecolumn(250mm×4.6mm,5μm)wasused.Themobilephaseconsistedofacetonitrile-watercontaining0.2%phosphoricacidsolutionwithgradientelutionataflowrateof1.0mL/min.Thedetectionwavelengthwassetat246nmandthetemperatureofcolumnwas35℃.ResultsThelinearrelationshipbetween4-O-β-D-glucopyranosyl-3,3′,4′-tri-O-methylellagicacidinjectionamountandpeakareawasgoodintherangeof0.02—0.60μg(r=1.0000).Theaveragerecoverywas105.58%withRSDof2.27%.ConclusionThemethodissimple,reproducibleandaccurate,andcanbeusedforthequalitycontrolofZhuangMedicineRadixMelastomatisnormalis.Keywords:RadixMelastomatisnormalis;MelastomanormaleD.Don;4-O-β-D-glucopyranosyl-3,3′,4′-tri-O-methylellagicacid;HPLC;qualitycon...