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Yufei Sun,Guifang Feng,Yan Zheng,Shu Liu,Yan Zhang,Zifeng Pi,Fengrui Song,Zhiqiang Liu 고려인삼학회 2020 Journal of Ginseng Research Vol.44 No.1
Background: Exploring the pharmacokinetic (PK) changes of various active components of single herbsand their combinations is necessary to elucidate the compatibility mechanism. However, the lack ofchemical standards and low concentrations of multiple active ingredients in the biological matrix restrictPK studies. Methods: A putative multiple reaction monitoring strategy based on liquid chromatography coupledwith mass spectrometry (LCeMS) was developed to extend the PK scopes of quantification withoutresorting to the use of chemical standards. First, the compounds studied, including components withavailable reference standard (ARS) and components lacking reference standard (LRS), were preclassifiedto several groups according to their chemical structures. Herb decoctions were then subjected toultrahigh-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometryanalysis with appropriate collision energy (CE) in MS2 mode. Finally, multiple reaction monitoringtransitions transformed from MS2 of ultrahigh-performance liquid chromatography coupled withquadrupole time-of-flight mass spectrometry were used for ultrahigh-performance liquid chromatographycoupled with triple quadrupole mass spectrometry to obtain the mass responses of LRS components. LRS components quantification was further performed by developing an assistive groupdependentsemiquantitative method. Results: The developed method was exemplified by the comparative PK process of single herbs RadixGinseng (RG), Radix Polygala (RP), and their combinations (RGeRP). Significant changes in PK parameterswere observed before and after combination. Conclusion: Results indicated that Traditional Chinese Medicine combinations can produce synergisticeffects and diminish possible toxic effects, thereby reflecting the advantages of compatibility. The proposedstrategy can solve the quantitative problem of LRS and extend the scopes of PK studies.
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Sun, Yufei,Feng, Guifang,Zheng, Yan,Liu, Shu,Zhang, Yan,Pi, Zifeng,Song, Fengrui,Liu, Zhiqiang The Korean Society of Ginseng 2020 Journal of Ginseng Research Vol.44 No.1
Background: Exploring the pharmacokinetic (PK) changes of various active components of single herbs and their combinations is necessary to elucidate the compatibility mechanism. However, the lack of chemical standards and low concentrations of multiple active ingredients in the biological matrix restrict PK studies. Methods: A putative multiple reaction monitoring strategy based on liquid chromatography coupled with mass spectrometry (LC-MS) was developed to extend the PK scopes of quantification without resorting to the use of chemical standards. First, the compounds studied, including components with available reference standard (ARS) and components lacking reference standard (LRS), were preclassified to several groups according to their chemical structures. Herb decoctions were then subjected to ultrahigh-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry analysis with appropriate collision energy (CE) in MS<sup>2</sup> mode. Finally, multiple reaction monitoring transitions transformed from MS<sup>2</sup> of ultrahigh-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry were used for ultrahigh-performance liquid chromatography coupled with triple quadrupole mass spectrometry to obtain the mass responses of LRS components. LRS components quantification was further performed by developing an assistive group-dependent semiquantitative method. Results: The developed method was exemplified by the comparative PK process of single herbs Radix Ginseng (RG), Radix Polygala (RP), and their combinations (RG-RP). Significant changes in PK parameters were observed before and after combination. Conclusion: Results indicated that Traditional Chinese Medicine combinations can produce synergistic effects and diminish possible toxic effects, thereby reflecting the advantages of compatibility. The proposed strategy can solve the quantitative problem of LRS and extend the scopes of PK studies.
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Yufei Sun,Guifang Feng,Yan Zheng,Shu Liu,Yan Zhang,Zifeng Pi,Fengrui Song,Zhiqiang Liu 고려인삼학회 2020 Journal of Ginseng Research Vol.44 No.1
Background: Exploring the pharmacokinetic (PK) changes of various active components of single herbs and their combinations is necessary to elucidate the compatibility mechanism. However, the lack of chemical standards and low concentrations of multiple active ingredients in the biological matrix restrict PK studies. Methods: A putative multiple reaction monitoring strategy based on liquid chromatography coupled with mass spectrometry (LC-MS) was developed to extend the PK scopes of quantification without resorting to the use of chemical standards. First, the compounds studied, including components with available reference standard (ARS) and components lacking reference standard (LRS), were preclassified to several groups according to their chemical structures. Herb decoctions were then subjected to ultrahigh-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry analysis with appropriate collision energy (CE) in MS² mode. Finally, multiple reaction monitoring transitions transformed from MS² of ultrahigh-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry were used for ultrahigh-performance liquid chromatography coupled with triple quadrupole mass spectrometry to obtain the mass responses of LRS components. LRS components quantification was further performed by developing an assistive group-dependent semiquantitative method. Results: The developed method was exemplified by the comparative PK process of single herbs Radix Ginseng (RG), Radix Polygala (RP), and their combinations (RG-RP). Significant changes in PK parameters were observed before and after combination. Conclusion: Results indicated that Traditional Chinese Medicine combinations can produce synergistic effects and diminish possible toxic effects, thereby reflecting the advantages of compatibility. The proposed strategy can solve the quantitative problem of LRS and extend the scopes of PK studies.
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