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. 2016 Nov 3;16:432. doi: 10.1186/s12906-016-1382-8

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© The Author(s). 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Four YMS Fractions (YMS-Hex, −BuOH, −EA, −W) partitioned from the ethanol extract of Stigmata Maydis (YMS) with chemical characterisation by thin-layer chromatography (TLC). a The scheme of the preparation process for four YMS fractions from corn silk (Stigmata Maydis) crude extract. The estimated dry weight and yield of each fraction (except for YMS-W) are listed in parentheses. b A representative TLC chromatography of mixed sample (Mix; lane 1), four YMS fractions (−Hex, −EA, −BuOH, −W; lane 2–5), and three flavonoid compounds (apigenin, formononetin, luteolin; lane 6–8)