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DPPH Solution (In)stability during Kinetic UV/Vis Spectrometry Measurements of Phenols Antioxidant Potential

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Abstract

The instability of 2,2-diphenyl-1-picrylhydrazil (DPPH) methanol solution during kinetic UV/Vis spectrometry measurement of phenols antioxidant potential is reported, where UV/Vis vs. Vis spectrometry comparison revealed the UV-light dependent degradation of DPPH, while only Vis ensured its high stability (>99%) over 24-h kinetic runs.

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  1. Wine Research Centre, University of Nova Gorica, Vipavska 11c, 5270-SI, Ajdovščina, Slovenia

    T. Jerman Klen & B. Mozetič Vodopivec

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  1. T. Jerman Klen
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  2. B. Mozetič Vodopivec
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Correspondence to B. Mozetič Vodopivec.

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Jerman Klen, T., Mozetič Vodopivec, B. DPPH Solution (In)stability during Kinetic UV/Vis Spectrometry Measurements of Phenols Antioxidant Potential. Food Anal. Methods 5, 781–783 (2012). https://doi.org/10.1007/s12161-011-9310-5

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  • DOI: https://doi.org/10.1007/s12161-011-9310-5

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