Green Synthesis and Anti-Inflammatory Activity of Silver Nanoparticles Based on Leaves Extract of Aphania senegalensis.

This study focuses on the synthesis of silver nanoparticles (AgNPs) using the extract of Aphania senegalensis leaves. The extraction was done using maceration at room temperature in water for 48 h. The synthesized nanoparticles were characterized by IR, XRD, TEM, and SEM. The thermal stability of these nanoparticles was studied by TGA. The zeta potential was used to define the size, charge distribution, and stability of the nanoparticles. Optimization reactions were carried out based on reaction time, pH, and temperature. The nanoparticles obtained from optimal conditions were evaluated on induced inflammation. The determination of the average diameters and geometry of nanoparticles was carried out by XRD by calculating the lattice constants, and they are between 18.11 and 50 nm. The evaluation of anti-inflammatory activity showed that the nanoparticles are 10 times more active than the extract of Aphania senegalensis leaves. Minimum doses of 10 mg/kg orally and 3 mg/kg were obtained for the plant extract, respectively. These results are promising for the possibility of AgNPs to be used for the treatment of inflammation.