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. 2020 Dec 19;8:64–72. doi: 10.1016/j.toxrep.2020.12.018

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© 2020 The Authors. Published by Elsevier B.V.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 6 — Antioxidant activity of ZnO-NPs using K. sumatrensis aqueous leaf extract (ALE). (a) DPPH radical scavenging activity. The values are expressed as mean ± SD values and analyzed by Two−Way analysis of variance (ANOVA). Asterisk (_{**, ***}) indicates significant different among treatments with respect to control (P < 0.01 and P < 0.001). (b) ABTS radical scavenging activity. The values are expressed as mean ± SD and analyzed by Two−Way analysis of variance (ANOVA). Asterisk (_***) indicates significant different among treatments with respect to control (P < 0.001). (c) Hydroxyl scavenging activity. The values are expressed as mean ± SD and analyzed by Two−Way analysis of variance (ANOVA). Not Significant (ns). Asterisk (_***) indicates significant different among treatments with respect to control (P < 0.001).