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. 2015 Aug 18;15:287. doi: 10.1186/s12906-015-0820-3

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© Jing et al. 2015

Open Access This 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. 3 — Effects of crude extract and solvent fractions of R. anthopogonoides on cell viability in hypoxia-injuried PC12 cell. PC12 cells are pre-incubated with EEF or BuF (50–200 μg/ml) for 1 h prior to hypoxia for 24 h. After the treatment, cell viability is determined by MTT analysis. Data are shown as means ± SD (n = 6). ^## p < 0.01 vs. control.^* p < 0.05 vs. hypoxia, ^** p < 0.01 vs. hypoxia. CE: crude extract, HF: n-hexane fraction, EEF: ethyl acetate fraction, BuF: n-butanol fraction, WE: water fraction, Vc: ascorbic acid. Rutin is used as positive control