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. 2014 Dec 2;3(4):814–829. doi: 10.3390/antiox3040814

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© 2014 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).

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The 2,2′-azinobis-(3-ethylbenzothiozoline-6-sulfonic acid (ABTS), 2,2′-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) assays were used to determine the antioxidant capacity. Values are means ± standard deviations (n = 3) and those not sharing a superscript letter are significantly different (p < 0.05) from each other.