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Table 3 In vitro antioxidant activity of biosynthesized AgNPs against DPPH free radicals

From: Green synthesis of silver nanoparticles using Omani pomegranate peel extract and two polyphenolic natural products: characterization and comparison of their antioxidant, antibacterial, and cytotoxic activities

  % inhibition of DPPH (mean±SD)
20 μg/mL 10 μg/mL 5 μg/mL
Q-AgNPs 84.32 ± 1.19 83.93 ± 1.95 66.95 ± 1.61
P-AgNPs 89.20 ± 0.31 85.90 ± 0.88 84.85 ± 0.88
GA-AgNPs 63.28 ± 2.67 61.07 ± 1.83 52.06 ± 0.61
Quercetin 95.32 ± 1.3
(1 mM)
93.43 ± 0.76
(0.5 mM)
92.74 ± 0.94
(0.2 mM)