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. 2020 Mar 9;19(5):3305–3315. doi: 10.3892/etm.2020.8585

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Copyright: © Wu et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Identification of EA in the cassia seed decoction. Total ion current chromatogram of (A) the EA reference standard and (B) the cassia seed decoction. (C) Negative mass spectrometry spectrum of the EA in the cassia seed decoction. (D) Negative tandem mass spectrometry spectrum of EA (blue diagrams are EA fragment ion symbols). EA, ellagic acid; TOF, time of flight; MS, mass spectrometry; ES, electrospray; BPI, base peak ion chromatogram.

Identification of EA in the cassia seed decoction. Total ion current chromatogram of (A) the EA reference standard and (B) the cassia seed decoction. (C) Negative mass spectrometry spectrum of the EA in the cassia seed decoction. (D) Negative tandem mass spectrometry spectrum of EA (blue diagrams are EA fragment ion symbols). EA, ellagic acid; TOF, time of flight; MS, mass spectrometry; ES, electrospray; BPI, base peak ion chromatogram.