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Issue 5, 2015
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Is honey able to potentiate the antioxidant and cytotoxic properties of medicinal plants consumed as infusions for hepatoprotective effects?

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Abstract

Due to the enormous variety of phytochemicals present in plants, their extracts have been used for centuries in the treatment of innumerable diseases, being perceived as an invaluable source of medicines for humans. Furthermore, the combination of different plants was reported as inducing an improved effect (synergism) in comparison with the additive activity of the plants present in those mixtures. Nevertheless, information regarding the effects of plant infusions added with honey is still rather scarce. Accordingly, the aim of this study was to evaluate the interaction between chestnut honey, a natural product with well-reported beneficial properties, and three medicinal plants (either as a single plant or as combinations of two and three plants), with regard to their antioxidant activity and hepatotoxicity. Antioxidant activity was evaluated by comparing the results from four different assays; hepatotoxicity was assessed in two different cell lines. Results were compared by analysis of variance and linear discriminant analysis. The addition of honey to the infusions had a beneficial result in both cases, producing a synergistic effect in all samples, except β-carotene bleaching inhibition for artichoke + milk thistle + honey preparation and also preparations with lower hepatotoxicity, except in the case of artichoke + honey. Moreover, from the discriminant linear analysis output, it became obvious that the effect of honey addition overcame that resulting from using single plant or mixed plant based infusions. Also, the enhanced antioxidant activity of infusions containing honey was confirmed by lower hepatotoxicity.

Graphical abstract: Is honey able to potentiate the antioxidant and cytotoxic properties of medicinal plants consumed as infusions for hepatoprotective effects?

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Publication details

The article was received on 29 Dec 2014, accepted on 14 Mar 2015 and first published on 16 Mar 2015


Article type: Paper
DOI: 10.1039/C4FO01206B
Author version available: Download Author version (PDF)
Citation: Food Funct., 2015,6, 1435-1442
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    Is honey able to potentiate the antioxidant and cytotoxic properties of medicinal plants consumed as infusions for hepatoprotective effects?

    C. Pereira, J. C. M. Barreira, R. C. Calhelha, M. Lopes, M. J. R. P. Queiroz, M. Vilas-Boas, L. Barros and I. C. F. R. Ferreira, Food Funct., 2015, 6, 1435
    DOI: 10.1039/C4FO01206B

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