Measurement of reactive oxygen species (A), superoxide dismutase (B) and catalase (C).

<p>Cells without Fractionation three treatment were used as the control. Different letters indicated a significant difference (<i>P</i><0.05; ANOVA and Duncan’s multiple range test). Bars represent the mean ± standard deviation. Each experiment was replicated three times. MIC, Minimum inhibitory concentration; ROS, reactive oxygen species; SOD, superoxide dismutase; CAT, catalase.