目的:建立贵州金丝桃指纹图谱及其化学成分分析。方法:采用UHPLC-DAD建立贵州金丝桃的指纹图谱,对12批样品的指纹图谱进行相似度分析、聚类分析和主成分分析。采用UHPLC-Q-Exactive Plus Orbitrap HRMS技术对贵州金丝桃中化学成分进行...目的:建立贵州金丝桃指纹图谱及其化学成分分析。方法:采用UHPLC-DAD建立贵州金丝桃的指纹图谱,对12批样品的指纹图谱进行相似度分析、聚类分析和主成分分析。采用UHPLC-Q-Exactive Plus Orbitrap HRMS技术对贵州金丝桃中化学成分进行鉴定。结果:指纹图谱分析表明12批贵州金丝桃相似度为0.928~0.999,聚类分析和主成分分析表明不同来源的贵州金丝桃样品的化学成分组成及其相对含量可能存在一定差异。高分辨质谱共鉴定出黄酮类、间苯三酚类、有机酸类等化合物69个。结论:该方法稳定、可靠,可有效地评价贵州金丝桃的质量,为进一步开发和利用贵州金丝桃提供依据。展开更多
This work aims to elucidate the chemical constituents of Kai-Xin-San（KXS） and its metabolites in rat plasma.KXS extracts were separated on an Agilent HPLC SB-C 18 column,analyzed by ion-trap tandem mass spectrometry...This work aims to elucidate the chemical constituents of Kai-Xin-San（KXS） and its metabolites in rat plasma.KXS extracts were separated on an Agilent HPLC SB-C 18 column,analyzed by ion-trap tandem mass spectrometry and high-accuracy qTOF mass spectrometry in negative ion mode.A total of 39 compounds,including 11 ginsenosides,14 Polygala saponins,5 sucrose esters,8 oligosaccharide esters and 1 xanthone were characterized from KXS.Fifteen of them were confirmed by reference standards.No constituents were detected from Poria or Acori Tatarinowii Rhizoma.After oral administration of KXS（7 g/kg）,10 ginsenosides and 18 Polygala compounds were detected in rat plasma.This study indicates that ginseng saponins,Polygala saponins and saccharide esters could be the major effective components of KXS prescription.展开更多
文摘目的:建立贵州金丝桃指纹图谱及其化学成分分析。方法:采用UHPLC-DAD建立贵州金丝桃的指纹图谱,对12批样品的指纹图谱进行相似度分析、聚类分析和主成分分析。采用UHPLC-Q-Exactive Plus Orbitrap HRMS技术对贵州金丝桃中化学成分进行鉴定。结果:指纹图谱分析表明12批贵州金丝桃相似度为0.928~0.999,聚类分析和主成分分析表明不同来源的贵州金丝桃样品的化学成分组成及其相对含量可能存在一定差异。高分辨质谱共鉴定出黄酮类、间苯三酚类、有机酸类等化合物69个。结论:该方法稳定、可靠,可有效地评价贵州金丝桃的质量,为进一步开发和利用贵州金丝桃提供依据。
基金National Science & Technology Mega Project forPrimary Drug Innovation from Ministry of Science and Technologyof China (Grant No. 2009ZX09502-006)
文摘This work aims to elucidate the chemical constituents of Kai-Xin-San（KXS） and its metabolites in rat plasma.KXS extracts were separated on an Agilent HPLC SB-C 18 column,analyzed by ion-trap tandem mass spectrometry and high-accuracy qTOF mass spectrometry in negative ion mode.A total of 39 compounds,including 11 ginsenosides,14 Polygala saponins,5 sucrose esters,8 oligosaccharide esters and 1 xanthone were characterized from KXS.Fifteen of them were confirmed by reference standards.No constituents were detected from Poria or Acori Tatarinowii Rhizoma.After oral administration of KXS（7 g/kg）,10 ginsenosides and 18 Polygala compounds were detected in rat plasma.This study indicates that ginseng saponins,Polygala saponins and saccharide esters could be the major effective components of KXS prescription.
