Fig. 5

Antioxidant activity of Eu. A Superoxide radical scavenging assay. B Hydrogenperoxide scavenging activity. C Hydroxyl radical scavenging assay. D Hypochlorous acid scavenging assay [Data expressed as mean ± SD. Units in μg/mL.^*p < .05, ^**p < .01, ^***p < .001; NS, non-significant when compared with standard]