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. 2010 Oct 28;5(10):e13713. doi: 10.1371/journal.pone.0013713

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Simmler et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Results are expressed as percentages of total ROS neutralization in HaCaT cells calculated by comparison with the positive control (H2O2 stressed cell). Intracellular antioxidant properties of stilbenoids 1–3, considered as stem biomarkers, were evaluated on intracellular ROS neutralization. IC50 were calculated with more points than those represented on the graph. α-Tocopherol at 25 µM was used as a positive reference. (*) set at p<0.05, gigantol (3) effect was statistically different from those of imbricatin (1) and methoxycoelonin (2).