A high performance liquid chromatography(HPLC) characteristic chromatogram analysis method of
Eupatorium fortunei
(
E. fortunei
)
was established to differentiate it from its adulterants. Ultrahigh performance liquid chromatography-Q-exactive orbitrap mass spectrometry(UHPLC-Q-Exactive Orbitrap MS) was operated under positive and negative ion mode to collect the data of total ions current(TIC). The ion source was a heated electrospray ionization(HESI) source. According to the accurate mass,fragment ions was combined with literature information,compound database and the reference substances were identified to conduct a preliminary identification of the chemical components in
E. fortunei.
The chromatographic separation was carried out on a Waters HSS T3(250 mm×4.6 mm,5.0 μm) column,using acetonitrile-0.1% phosphoric acid as mobile phase by gradient elution. The collected HPLC data analyzed by a similar evaluation system for chromatographic fingerprint of traditional Chinese medicine(version 2012,National Committee of Pharmacopoeia,China).HPLC charastersitic chromatograms of 23 batches of
E. fortunei
were established,facilitating a comparative assessment between the characteristic chromatograms of genuine samples and its respective adulterants,and hierarchical cluster analysis(HCA) was used to verify the common peaks
area as the variable. Results showed that a total of 34 chemical components were successfully identified within
E. fortunei
,including 11 phenylpropanoids,6 pyrrolizidine alkaloids,3 nucleosides,3 amino acids,2 flavonoids,9 other glycoside,acid,alkali,ketone and aldehyde compounds,and the authenticity of 8 components were confirmed through comparison with the reference substance. There are 16 common peaks across the charastersitic chromatograms of 23 batches of
E. fortunei
and the similarities are greater than 0.85. The similarities between the chromatograms of the adulterants and the reference chromatogram of
E. fortunei
was 0.452-0.746. According to the area of common peaks,
E. fortunei
and its adulterants were clearly classified through hierarchical cluster analysis. The established HPLC characteristic chromatograms method of
E. fortunei
had good specificity,precision,repeatability,stability,and components identification results not only serve as a valuable reference for quality control of
E. fortunei
but also prove highly effective in the reliable differentiation of
E. fortunei
and its adulterants,ensuring the quality and efficacy of
E.fortunei
is of significant importance. At the same time,this research also lays the foundation for further in-depth studies on the chemical composition and pharmacological effects of
E. fortunei.
关键词
佩兰特征图谱真伪鉴别成分分析UHPLC-Q-Exactive Orbitrap MS
Keywords
Eupatorium fortuneicharacteristic chromatogramsauthenticity identificationcomponent analysisUHPLC-Q-Exactive Orbitrap MS
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Related Institution
Guangdong Provincial Engineering Research Center for Quality and Safety of Traditional Chinese Medicine,Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Detection Technology,Institute of Analysis,Guangdong Academy of Sciences(China National Analytical Center,),Guangzhou
College of Pharmacy,Guangdong Pharmaceutical University
Guangdong Provincial Engineering Research Center for Quality and Safety of Traditional Chinese Medicine,Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Detection Technology,Institute of Analysis,Guangdong Academy of Sciences(China National Analytical Center,),Guangzhou
Guangdong Provincial Engineering Research Center for Quality and Safety of Traditional Chinese Medicine,Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Test Technology,Institute of Analysis,Guangdong Academy of Sciences(China National Analytical Center,), Guangzhou