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. 2018 Apr 30;8(3):420–427. doi: 10.1016/j.jtcme.2017.11.001

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© 2017 Center for Food and Biomolecules, National Taiwan University. Production and hosting by Elsevier Taiwan LLC.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 4 — The effect of natural compounds on cell viability and rotenone toxicity. Cells were exposed to curcumin (A), cinnamaldehyde (B), caffeoyltryramide (C), or piceatannol glucoside (D) for 24 h before viability was assessed using the MTT viability assay. Cells were exposed to curcumin (E), cinnamaldehyde (F), caffeoyltyramide (G) or piceatannol glucoside (H) before rotenone treatment to assess the effect of each compound on rotenone toxicity. C = control. Data presented as mean ± SE. *p < 0.05, ****p < 0.001 vs control. Cur-curcumin; Cinn-cinnamaldehyde; Caff-caffeoyltyramide; Pic-piceatannol glucoside; Rot-rotenone.