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. 2010 Nov 29;15(12):8618–8640. doi: 10.3390/molecules15128618

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© 2010 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/3.0/).

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Dependences of absorbance of colour product on concentration of gallic acid (a) and Trolox^® (b). Calibration curves for DPPH test related to equivalent of gallic acid (c) and Trolox^® (d) expressed as the percentage of inhibition.