ZnO nanoparticles (ZnO NPs) are oxide nanoparticles that act as antibacterial. ZnO NPs was provided by green synthesis method using bay leaf extract with zinc acetate precursors, aimed at producing more environmentally friendly nanoparticles by reducing the use of chemicals. Bay leaves were a source of flavonoid and phenolic organic compounds that act as stabilizing agents. ... (ABSTRAK TIDAK …