Fig. 5From: A comprehensive review on Moringa oleifera nanoparticles: importance of polyphenols in nanoparticle synthesis, nanoparticle efficacy and their applicationsA Different M. oleifera extract produced TiO2 NPs in various sizes. B Spherical TiO2-NPs with a homogeneous nanometric size distribution of 90 nm (range 40–140 nm). The original image was adapted with permission from Ref. [54]. 2023, Shadi RahimiBack to article page