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. 2016 Jul 8;21(7):886. doi: 10.3390/molecules21070886

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© 2016 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 (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

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Antioxidant activity of isolated hydroxyphenylalkanes and diarylheptanoids was tested using a cell free system and with HepG₂ cells. Antioxidant capacities of the test compounds were tested using the DPPH free radical scavenging assay; scavenging efficiency (A) and EC₅₀s (B) were calculated over concentration range of 0.5 to 50 µM. GSH reductase enzyme activity (C) and GSH concentration (D) were determined in CCl₄ challenged HepG₂ cells. Data is presented as mean ± SD; n = 3. *: significantly different from CCl₄ treated group.