Chemical composition and biological effects of essential oils from Artemisia absinthium L. cultivated under different environmental conditions
The objective of this study was the valorization of the essential oils from Spanish Artemisia absinthium domesticated plants from Teruel and Sierra Nevada (Spain). These populations were experimentally cultivated in the field and under controlled conditions. The insect antifeedant properties of their essential oils collected yearly from two locations were tested against Spodoptera littoralis, Myzus persicae and Rhopalosiphum padi. Additionally we studied their phytotoxic, antifungal and antiparasitic effects. The oils from cultivated A. absinthium were characterized by the presence of cis-epoxyocimene, chrysanthenol, and chrysanthenyl acetate. The variations observed in oil composition were mostly quantitative but also qualitative. (Z)-2,6-Dimethyl-5,7-octadien-2,3-diol has been isolated and identified by NMR. Among the oil samples, these rich in cis-epoxyocimene and sesquiterpenes were the most active ones against S. littoralis. (Z)-2,6-Dimethyl-5,7-octadien-2,3-diol showed moderate activity against S. littoralis. The strongest antifeedant effects were found for commercial A. absinthium oil samples rich in thujones and sabinyl acetate. F. oxysporum and F. solani were affected by oils from cultivated A. absinthium and commercial oil samples. Oils from cultivated A. absinthium showed antiparasitic effects against Leishmania infantum and Trypanosoma cruzi with better results than the commercial samples. © 2013 Elsevier B.V.
| Main Authors: | , , , , , , , |
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| Format: | artículo biblioteca |
| Published: |
Elsevier
2013
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| Subjects: | Artemisia absinthium, Cultivated, Essential oil, Antifungals, Antiparasitic, |
| Online Access: | http://hdl.handle.net/10261/94735 |
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| Summary: | The objective of this study was the valorization of the essential oils from Spanish Artemisia absinthium domesticated plants from Teruel and Sierra Nevada (Spain). These populations were experimentally cultivated in the field and under controlled conditions. The insect antifeedant properties of their essential oils collected yearly from two locations were tested against Spodoptera littoralis, Myzus persicae and Rhopalosiphum padi. Additionally we studied their phytotoxic, antifungal and antiparasitic effects. The oils from cultivated A. absinthium were characterized by the presence of cis-epoxyocimene, chrysanthenol, and chrysanthenyl acetate. The variations observed in oil composition were mostly quantitative but also qualitative. (Z)-2,6-Dimethyl-5,7-octadien-2,3-diol has been isolated and identified by NMR. Among the oil samples, these rich in cis-epoxyocimene and sesquiterpenes were the most active ones against S. littoralis. (Z)-2,6-Dimethyl-5,7-octadien-2,3-diol showed moderate activity against S. littoralis. The strongest antifeedant effects were found for commercial A. absinthium oil samples rich in thujones and sabinyl acetate. F. oxysporum and F. solani were affected by oils from cultivated A. absinthium and commercial oil samples. Oils from cultivated A. absinthium showed antiparasitic effects against Leishmania infantum and Trypanosoma cruzi with better results than the commercial samples. © 2013 Elsevier B.V. |
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