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. 2012 Mar 30;13(4):4233–4254. doi: 10.3390/ijms13044233

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© 2012 by the authors; licensee Molecular Diversity Preservation International, 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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Antioxidant activity in the total extracts, oil- and insoluble-fractions of the S-CO₂ extracted oleoresins. Antioxidant activity was expressed as mmol of trolox equivalent (TE) per gram of sample (A,B) or per mg of contained lycopene (C,D). S-CO₂ExT: oleoresin extracted by S-CO₂ from pure tomato powder; S-CO₂ExTH: oleoresin extracted by S-CO₂ from tomato/hazelnut powder; Solvent extract: tomato powder extracted by hexane. Data are mean ± SD of three measures from three independent samples.