Khat (Catha edulis) Leaf Extract-Based Zinc Oxide Nanoparticles and Evaluation of Their Antibacterial Activity

<div>Color changes observed before and after the formation of ZnO NPs: (a) Zn(NO<sub>3</sub>)<sub>2</sub>∙6H<sub>2</sub>O solution, (b) leaf extract of khat (Catha edulis), and (c) ZnO NPs.</div>

Journal of Nanomaterials

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Figure 7

Figure 7: Khat (Catha edulis) Leaf Extract-Based Zinc Oxide Nanoparticles and Evaluation of Their Antibacterial Activity 