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. 2012 Jul 26;17(8):8938–8954. doi: 10.3390/molecules17088938

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© 2012 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Representative chromatograms of marker compounds and PAR by MRM scan. (A) paeoniflorin sulfonate ion transition m/z 543→m/z 259; (B) paeoniflorin sulfonate ion transition m/z 543→m/z 213; (C) paeoniflorin sulfonate ion transition m/z 449→m/z 327; (D) paeoniflorin sulfonate ion transition m/z 449→m/z 165; (E) paeoniflorin ion transition m/z 543→m/z 259; (F) paeoniflorin ion transition m/z 543→m/z 213; (G) paeoniflorin ion transition m/z 449→m/z 327; (H) paeoniflorin ion transition m/z 449→m/z 165; (I) non-fumigated PAR (JPACM-01-01) ion transition m/z 543→m/z 259; (J) non-fumigated PAR (JPACM-01-01) ion transition m/z 543→m/z 213; (K) non-fumigated PAR (JPACM-01-01) ion transition m/z 449→m/z 327; (L) non-fumigated PAR (JPACM-01-01) ion transition m/z 449→m/z 165; (M) fumigated PAR (JPACM-01-02) ion transition m/z 543→m/z 259; (N) umigated PAR (JPACM-01-02) ion transition m/z 543→m/z 213; (O) fumigated PAR (JPACM-01-02) ion transition m/z 449→m/z 327; (P) fumigated PAR (JPACM-01-02) ion transition m/z 449→m/z 165. 1: paeoniflorin; 2: paeoniflorin sulfonate.