Xing-ying ZHAI, Ling ZHANG, Bing-tao LI, et al. Chemical Components in Pinelliae Rhizoma by UPLC-Q-TOF-MS/MS[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(7): 173-183.
DOI:
Xing-ying ZHAI, Ling ZHANG, Bing-tao LI, et al. Chemical Components in Pinelliae Rhizoma by UPLC-Q-TOF-MS/MS[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(7): 173-183. DOI: 10.13422/j.cnki.syfjx.20190107.
Chemical Components in Pinelliae Rhizoma by UPLC-Q-TOF-MS/MS
To identify the chemical constituents of Pinelliae Rhizoma(BX)by ultrahigh-pressure liquid chromatography coupled with electrospray time-of-flight tandem mass spectrometry (UPLC-Q-TOF-MS/MS).
Method:
2
Chromatograpic separation was performed on a shim-pack xR-ODS Ⅲ column (2.1 mm×75 mm
1.6 μm) using a gradient elution program with mixtures of acetonitrile and 0.1% formic acid-water as mobile phases at a flow rate of 0.25 mL·min
-1
. UPLC-Q-TOF-MS/MS was developed for rapid and high-throughput screening of the preliminary chemical profile of BX in positive ion modes.
Result:
2
Ninety chemical components were found in BX
according to the accurate Charge-mass Ratio and the MS/MS data
retention time of reference standard
references or databases
the fragmentation regularities of mass spectra. Eighty were identified preliminarily
including 7 alkaloids
8 poly-alcohols
12 fatty glycerides
5 flavonoids
12 lysophosphatidylcholines (LPCs)
10 alcohol amines
11 amino acids
11 amides and 4 other type.
Conclusion:
2
LPCs were first found in BX. Because BX has certain toxicity
it is found that BX contains LPCs by analyzing the chemical constituents of BX
which can cause inflammatory reaction and neuronal myelin sheath loss and degeneration. Therefore
the analysis of the chemical composition of BX can explain the causes of the toxicity and provide a foundation for the basic research and quality control of the potency of BX.
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