Seasonal and phenological variations of the essential oil from the narrow endemic species Artemisia molinieri and its biological activities |
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Authors: | Masotti Véronique Juteau Fabien Bessière Jean Marie Viano Josette |
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Affiliation: | Laboratoire Dynamique et Ressources du Végétal, E.A. 2202-Biodiversité, Université de Provence, UFR DENTES et SVTE, case 17, 3 place Victor Hugo, F-13331 Marseille Cedex 3, France. vmasotti@up.univ-mrs.fr |
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Abstract: | The volatile components of the aerial parts of Artemisia molinieri, an endemic wormwood of southern France, were analyzed by GC and GC-MS. Among the 69 compounds identified, major components were ascaridole (19-76%), alpha-terpinene (traces-36%), p-cymene (1-17%), 1,8-cineole (0.3-8%), and germacrene D (0.6-15%). Quantitative variations have been characterized following the season, the phenological cycle, and the aging of the plants. Bioassays have been performed on a sample of essential oil, which has shown a strong inhibition of the growth of both tested yeasts (Candida albicans and Saccharomyces cerevisiae var. chevalieri) and minor activity on both tested Gram-negative bacteria (Escherichia coli and Enterococcus hirae). The oils have shown interesting antioxidant activities on the basis of alpha-tocopherol as reference compound, up to 400-1200%. |
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