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. 2015 Jun 3;9:2867–2881. doi: 10.2147/DDDT.S81157

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© 2015 Mo et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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HPLC and Q-TOF-MS chromatograms of HGF extract.

Notes: UV–HPLC/chromatogram (254 nm) (A); the total ion current in the negative ion mode in MS (B); and the total ion current in the positive ion mode (C). The same numbers between HPLC and MS chromatograms indicate the same substances. As follows: ➀ liquiritin, ➁ tectoridin, ➂ luteolin, ➃ aloe-emodin, ➄ rhein, ➅ emodin, ➆ chrysophanol, and ➇ physcion.

Abbreviations: HPLC, high-performance liquid chromatography; Q-TOF-MS, quadrupole time-of-flight mass spectrometer; HGF, Huang Gan formula; UV, ultraviolet; min, minute.