Rui LIU, Rui WANG, Ke PEI, et al. Rapid Identification of Chemical Constituents of Pimpinella thellungiana by UHPLC-Q-Orbitrap HRMS[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(5): 145-151.
DOI:
Rui LIU, Rui WANG, Ke PEI, et al. Rapid Identification of Chemical Constituents of Pimpinella thellungiana by UHPLC-Q-Orbitrap HRMS[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(5): 145-151. DOI: 10.13422/j.cnki.syfjx.20200516.
Rapid Identification of Chemical Constituents of Pimpinella thellungiana by UHPLC-Q-Orbitrap HRMS
Ultra high performance liquid chromatography coupled with Q-Exactive Focus hybrid quadrupole and orbitrap high resolution mass spectrometer (UHPLC-Q-Orbitrap HRMS) was applied for identification of chemical constituents in
Pimpinella thellungiana
.
Method:
2
Chromatographic separation was performed on a WATERS BEH C
18
column (2.1 mm ×50 mm
1.7 μm). The mobile phase consisted of 0.1% formic acid aq (A) and acetonitrile (B) with a gradient elution. Mass spectral analysis were performed on Q-Exactive Focus hybrid quadrupole and orbitrap mass spectrometer. The mass spectrometer was connected to UHPLC instrument via an ESI interface. Samples were analyzed in negative ion mode by the full-scan-dd MS 2(data-dependent MS/MS) scanning mode. Then the constituents of
P
.
thellungiana
were identified by compared HRMS data with those of the standard compounds
MS cleavage mechanism and the related literatures.
Result:
2
Based on the characteristic mass data of accurate molecular weight and fragmentation ion information
29 chemical constituents were identified including 19 chlorogenic acids
7 flavonoids and 3 phenolic acid. Among them
the identified components except luteolin-7-
O
-
β
-
D
-glucuronopyranoside and apigenin-7-
O
-
β
-
D
-glucuronopyranoside were reported in
P
.
thellungiana
for the first time.
Conclusion:
2
The established UHPLC-Q-Orbitrap HRMS method can be used to identify the chemical constituents of
P
.
thellungiana
quickly and accurately
providing the scientific evidence for its quality evaluation and material basis research.
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Related Institution
School of Pharmacy, Jiangxi University of Chinese Medicine
Research Center for Differentiation and Development of Traditional Chinese Medicine (TCM) Basic Theory,Jiangxi Provincial Key Laboratory of TCM Etiopathogenisis,Key Laboratory of Pharmacology of TCM in Jiangxi,School of Pharmacy,Jiangxi University of Chinese Medicine
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