Green Synthesis Of Zinc Oxide Nanoparticles Using Sapindus Mukorossi Fruit Extact, Characterization And Their Antioxidant Activity

Abstract

In this paper we presented a biogenic method for the synthesis of zinc oxide nanoparticles (ZnO NPs) using Sapindus mukorossi fruit extract. Currently, green synthesis route is most promising route for the synthesis of metallic nanoparticles in which various plant parts are being used. Nanomedicine utilizes biocompatible nanomaterials for diagnostic and therapeutic purposes. The synthesized zinc oxide nanoparticles were initially noticed through visual colour change from dark brown to yellow and further confirmed by surface plasmonic resonance band at 341 nm using UV-Visible spectroscopy. Morphology and size were determined by TEM, XRD analysis revealed the crystalline nature and spherical shape with less than 16 nm average size of synthesized ZnO NPs. The stability of ZnO NPs was due to capping of oxidized polyphenols which was established by Fourier transform infrared spectroscopic study. It could be concluded that S. mukorossi can be used efficiently in the production of potential antioxidant ZnO NPs for commercial application. The antioxidant activity of zinc oxide nanoparticles was determined using a DPPH free radical scavenging assay. Results indicated that synthesized zinc oxide nanoparticles of S. mukorossi fruit could effectively scavenge the free radicals which shows effective antioxidant activity