Fig. 11From: Green approach for the synthesis of ZnO nanoparticles using Cymbopogon citratus aqueous leaf extract: characterization and evaluation of their biological activitiesAntioxidant activity of biosynthesized ZnO NPs, ALE of C. citratus and L-ascorbic acid (standard). The results mentioned are expressed as mean ± SD (n = 3)Back to article page