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Acta Botanica Gallica
Botany Letters
Volume 157, 2010 - Issue 1
740
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Original Articles

Evaluation of antioxidant and antiproliferative activities of dyeing plants

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Pages 37-43 | Received 21 Oct 2008, Accepted 22 Dec 2008, Published online: 26 Apr 2013
 

Abstract

Natural dyes are nowadays re—investigated but few data are available about their biological properties. In this study, ten dyeing plants from several genera (belonging to Anacardiaceae, Asteraceae, Betulaceae, Resedaceae, Rosaceae, Rubiaceae) were investigated for both antioxidant and antiproliferative activities. Aqueous crude extracts containing flavonoids associated with either phenolic acids or tannins were particularly antioxidant whereas no extract seemed to present antiproliferative properties suggesting a potential absence of toxicity. Primary pharmacological data from this study are discussed in relation with dyeing properties of plant species in order to highlight the uses of multi—functionalised natural products.

Résumé

Les colorants végétaux connaissent actuellement un regain d'intérêt mais peu de données sont cependant disponibles concernant leurs activités biologiques. Au cours de ces travaux, les activités antioxydante et antiprolifératrice d'extraits aqueux de dix plantes tinctoriales appartenant à différents genres (des familles Anacardiaceae, Asteraceae, Betulaceae, Resedaceae, Rosaceae, Rubiaceae) ont été évaluées. Les extraits contenant des flavonoïdes associés à des acides phénoliques ou des tannins se sont révélés très antioxydants. De plus, aucun extrait n'a montré d'activité sur la prolifération cellulaire, suggérant ainsi une absence probable de toxicité. Ces données pharmacologiques préliminaires, associées aux propriétés colorantes de ces espèces, sont discutées afin de souligner l'opportunité d'utiliser ces extraits naturels à propriétés multiples.

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