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. 2016 Apr 13;5(2):140–150. doi: 10.1016/j.imr.2016.04.005

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© 2016 Korea Institute of Oriental Medicine. Published by Elsevier.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 3 — High-performance liquid chromatography-diode-array detector (HPLC-DAD) chromatogram of the nine components (1, homogentisic acid; 2, liquiritin; 3, naringin; 4, hesperidin; 5, neohesperidin; 6, liquiritigenin; 7, glycyrrhizin; 8, 6-gingerol, and 9, pachymic acid) in Yijin-tang (YJ) samples. The UV wavelength was set at (A) 254 nm and (B) 280 nm, (a) YJ control sample, (b) YJ control sample spiked with standard mixture, (c) standard mixture.

* Unknown peak.

Fig. 3 — High-performance liquid chromatography-diode-array detector (HPLC-DAD) chromatogram of the nine components (1, homogentisic acid; 2, liquiritin; 3, naringin; 4, hesperidin; 5, neohesperidin; 6, liquiritigenin; 7, glycyrrhizin; 8, 6-gingerol, and 9, pachymic acid) in Yijin-tang (YJ) samples. The UV wavelength was set at (A) 254 nm and (B) 280 nm, (a) YJ control sample, (b) YJ control sample spiked with standard mixture, (c) standard mixture.

* Unknown peak.