Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC11547130/ Optimisation, Synthesis, and Characterisation of ZnO Nanoparticles Using Leonotis ocymifolia (L.... This work presents a green synthesis route, which utilises extracts from an indigenous plant in South Africa, eastern and southern Africa that is understudied... zno nanoparticlesleonotis ocymifoliaoptimisationsynthesischaracterisation