Ladjel, S.Zellagui, A .Gherraf, N.2020-10-182020-10-182011-07-01Articale in Journal of fundamental and Applied Sciences Vol. 03 N. 021112-9867http://dspace.univ-eloued.dz/handle/123456789/7141Articale in Journal of fundamental and Applied Sciences Vol. 03 N. 02Thapsia garganica is a very famous medicinal plant known especially for its therapeutic effects such as diuretic, emetic and purgative. A resin is extracted with alcohol from the bark of the root. The plant has been considered specific in treating pain, though caution is advised since it is poisonous to some mammals. The plant is also strongly rubefacient, producing blisters and intense itching. In the present study, we have undertaken a Reinvestigation of essential oil content of this widely used plant because of its important bioactive effect to heal many ailments.enThapsia garganica, medicinal plant, essential oil, GC-MS.Article