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. 2020 Apr 15;11:466. doi: 10.3389/fphar.2020.00466

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Copyright © 2020 Lu, Huang, Zhang, Lan, Zhang, Tang, Xu, Zhao, Cong, Zhao, Sun, Li and Wang

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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High-performance liquid chromatography (HPLC) chromatogram of DiDang Tang (DDT). (A) HPLC chromatograms of DDT (b) and the control fingerprint chromatogram (a) using National Pharmacopeia Committee Chinese Medicine Fingerprint Similarity Evaluation System (2004A) Software are shown. (B) DDT levels were determined using HPLC. (C) Gallic acid, amygdalin, sennoside B, rhein-8-glucoside, sennoside A, emodin, chrysophanol, aloeemodin, and rhein were identified by HPLC.