*3.7. DPPH Scavenging Activities*

The DPPH scavenging assays were performed using the method described by Aquino et al. [26]. The reaction mixture consisted of freshly prepared 100 μM DPPH in methanol, mixed with different concentrations of the compounds. The reaction mixture was incubated for 20 min at room temperature in the dark, and the optical density was recorded at 517 nm.
