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Acta Botanica Gallica
Botany Letters
Volume 150, 2003 - Issue 2
968
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Original Articles

Effet de l'infection du bois de Cèdre de l'Atlas par Trametes pini et Ungulina officinalis sur la composition chimique et l'activité antibactérienne et antifongique des huiles essentielles

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Pages 223-229 | Received 03 Jun 2002, Accepted 18 Nov 2002, Published online: 27 Apr 2013
 

Abstract

Chemical composition and antibacterial and antifungal activities of the essential oils of Atlas Cedar were studied according to sanitary conditions of wood. The essential oils obtained from uncontaminated sawdust and contaminated by Trametes pini have sensibly identical chemical composition with himachalenes (α-, γ- and β-) and E-α-atlantone as major components, but this oils don't have antibacterial and antifungal activities. Those obtained from wood attacked by Ungulina officinalis, which have a different chemical composition, have a bacterial activity for a concentration of 2 μl/ml and a less antifungal activity.

Résumé

La qualité chimique et les activités antibactérienne et antifongique des huiles essentielles du bois de Cèdre de l'Atlas (Cedrus atlantica Manetti) ont été étudiées en fonction de l'état sanitaire du bois. Les huiles essentielles obtenues des sciures saine et contaminée par Trametes pini, de compositions chimiques sensiblement identiques aux himachalènes (α-, γ- et β-) et à E-α-atlantone comme constituants majoritaires, ne possèdent aucun pouvoir bactériostatique ou fongistatique. Par contre les huiles essentielles extraites de la sciure contaminée par Ungulina officinalis, de composition chimique différente des précédentes, possèdent une activité bactéricide à partir d'une concentration de 2 μl/ml et ont un faible pouvoir antifongique.

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