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. 2018 Mar 25;2018:1538632. doi: 10.1155/2018/1538632

Figure 4.

Figure 4

Effect of compound 9 on the antioxidative ability of yeast cells and ROS level of yeast. (a) BY4741 yeast cells in the control group and compound 9-treated groups were dropped in the same YPGlucose agar plate mixed with 9 mM H2O2. After four days, the growth of yeast cells in different groups was photographed. (b) Effect of compound 9 on the survival rates of yeast under oxidative stress condition. Control, 48.31 ± 4.94; Res, 72.74 ± 6.19∗; compound 9 at 1 μM, 71.21 ± 2.75∗and at 3 μM, 68.73 ± 5.89∗. The experiment was conducted at least thrice. Vertical bars represent the mean ± SEM of three assays (∗P < 0.05). (c) The change of ROS level of yeast after administration compound 9 at 1, 3 μM. Control, 2.77 ± 0.15∗∗; Res, 1.79 ± 0.15∗∗; compound 9 at 1 μM, 1.98 ± 0.08∗∗, and at 3 μM, 1.73 ± 0.22∗. Vertical bars represent the mean ± SEM of 6 repeats (∗P < 0.05 and ∗∗P < 0.01, compared with the control).