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. 2016 Sep 27;16:375. doi: 10.1186/s12906-016-1363-y

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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. 5 — Percentage scavenging of DPPH (a) and H₂O₂ (b) by crude extracts of A. bracteosa against ascorbic acid (AA). Data is expressed as mean ± SD