Green Synthesis of Silver Nanoparticles by Using Ziziphus nummularia Leaves Aqueous Extract and Their Biological Activities

Table 5

Free radical scavenging activity of the tested aqueous leaves extract of Ziziphus nummularia silver nanoparticles.

Concentration	20 ppm	40 ppm	60 ppm	80 ppm	100 ppm
% RSA (extract)	88.76	89.67	90.85	91.39	92.92
% RSA (NPs)	98.15	95.89	95.44	97.50	98.15