Rapid Screening of Chemical Constituents in Rhizoma Anemarrhenae by UPLC-Q-TOF/MS Combined with Data Postprocessing Techniques
A fragmentation pathway of lignans formed in MS, take hinokiresinol as an example: the fragment ion of m/z 251 [M-H]− was molecular ion and the fragment ion at m/z 107 was produced as result of benzyl cleavage. The fragment ions m/z indicated a loss of water molecular based on the fragment ion at m/z 107.
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