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. 2014 Jul 24;2014:181072. doi: 10.1155/2014/181072

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Copyright © 2014 Yujuan Zhang et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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HPLC analysis of extracts and fractions from Z. bungeanum leaves. (a) Chromatography of the twelve standard compounds. (b) Chromatography of the ethanol extracts and their five fractions (ECE, PEF, CF, EAF, AF, and MF) monitored at 254 nm and identified by their retention time (min): chlorogenic acid (6.62, peak 1), epicatechin (8.31, peak 2), rutin (12.12, peak 3), hyperoside (13.61, peak 4), trifolin (15.73, peak 5), quercitrin (16.82, peak 6), Kaempferol-3-rhamnoside (20.61, peak 7), quercetin (28.32, peak 8), nitidine chloride (35.61, peak 9), chelerythrine (36.95, peak 10), xanthyletin (37.20, peak 11), and sesamin (46.44, peak 15). Peaks 9–11 were very weak.