Synthesis of an antimicrobial chitosan film impregnated with ZnO nanoparticles phytosynthesized with Ruta graveolens plant extract.

In this study, biopolymer of chitosan-based films were synthesized, which were impregnated with zinc oxide nanoparticles (ZnO NPs) at concentrations of 0, 1, 5 and 10 % w:v to obtain a film with microbicide properties and non-toxic for humans. The ZnO NPs were phytosynthesized with ethanolic extract of Ruta graveolens, by UV-Vis spectrophotometry and Tauc equation were estimated their Band gap energy = 3.37 eV at wavelength of 302 nm.