To establish HPLC characteristic spectrum of Huoxiang(Herba Agastachis)Eliminating Summer-heat Soft Capsule.Chromatographic separation was performed on Tech Mate C18-ST(5 um,4.6×250 nm)column by Agilent 1260 high...To establish HPLC characteristic spectrum of Huoxiang(Herba Agastachis)Eliminating Summer-heat Soft Capsule.Chromatographic separation was performed on Tech Mate C18-ST(5 um,4.6×250 nm)column by Agilent 1260 high performance liquid chromatograph,eluted with acetonitrile and 0.05%phosphoric acid in a gradient elution at a flow rate of 1.0 mL∙min-1.The detection wavelength was set at 270 nm.Hesperidin was selected as the reference peak to calculate the RSD of the relative retention time.Precision,stability and reproducibility were investigated as well.80 different samples from 5 manufacturers were included in this study.The HPLC characteristic spectrum of Huoxiang Eliminating Summer-heat Soft Capsule was constructed with 11 specific chromatographic peaks in 80 samples.The method is accurate,reliable and with good reproducibility,and could overall control the quality of Huoxiang Eliminating Summerheat Soft Capsule.展开更多
目的建立金钗石斛HPLC的特征图谱,为其质量评价提供参考。方法采用ZORBAX SB-Aq色谱柱;流动相乙腈-0.2%(体积分数)甲酸,梯度洗脱,流速1.0 m L·min-1;柱温30℃;检测波长270 nm。结果分别建立了不同产地金钗石斛的HPLC特征图谱,一...目的建立金钗石斛HPLC的特征图谱,为其质量评价提供参考。方法采用ZORBAX SB-Aq色谱柱;流动相乙腈-0.2%(体积分数)甲酸,梯度洗脱,流速1.0 m L·min-1;柱温30℃;检测波长270 nm。结果分别建立了不同产地金钗石斛的HPLC特征图谱,一类是以贵州赤水产金钗石斛为代表的HPLC特征图谱,标记出22个共有峰,相似度为0.979~0.998;一类是以云南产金钗石斛为代表的HPLC特征图谱,标记出27个共有峰,相似度为0.902~0.980。结论金钗石斛的HPLC特征图谱主要分为2类,贵州赤水产为一类,云南产为一类,广西产的两类都有。本法稳定可靠、重复性好,可用于不同产地金钗石斛的鉴别和质量控制。展开更多
基金This work is supported by National Comprehensive Drug Evaluation Fund Projects of National Food and Drug Administration in 2016.
文摘To establish HPLC characteristic spectrum of Huoxiang(Herba Agastachis)Eliminating Summer-heat Soft Capsule.Chromatographic separation was performed on Tech Mate C18-ST(5 um,4.6×250 nm)column by Agilent 1260 high performance liquid chromatograph,eluted with acetonitrile and 0.05%phosphoric acid in a gradient elution at a flow rate of 1.0 mL∙min-1.The detection wavelength was set at 270 nm.Hesperidin was selected as the reference peak to calculate the RSD of the relative retention time.Precision,stability and reproducibility were investigated as well.80 different samples from 5 manufacturers were included in this study.The HPLC characteristic spectrum of Huoxiang Eliminating Summer-heat Soft Capsule was constructed with 11 specific chromatographic peaks in 80 samples.The method is accurate,reliable and with good reproducibility,and could overall control the quality of Huoxiang Eliminating Summerheat Soft Capsule.
文摘目的建立金钗石斛HPLC的特征图谱,为其质量评价提供参考。方法采用ZORBAX SB-Aq色谱柱;流动相乙腈-0.2%(体积分数)甲酸,梯度洗脱,流速1.0 m L·min-1;柱温30℃;检测波长270 nm。结果分别建立了不同产地金钗石斛的HPLC特征图谱,一类是以贵州赤水产金钗石斛为代表的HPLC特征图谱,标记出22个共有峰,相似度为0.979~0.998;一类是以云南产金钗石斛为代表的HPLC特征图谱,标记出27个共有峰,相似度为0.902~0.980。结论金钗石斛的HPLC特征图谱主要分为2类,贵州赤水产为一类,云南产为一类,广西产的两类都有。本法稳定可靠、重复性好,可用于不同产地金钗石斛的鉴别和质量控制。