Extraction And Study Of Essential Oil Of Salvia Officinalis From Tunis (Tunisia)

Souad Fellah¹, Mehrez Romdhane² and Manef Abderraba¹*

¹Unit? de recherche physico-chimique mol?culaire, IPEST, BP 51, La Marsa 2070 Tunis, (Tunisie). ²Unit? de Recherche de la R?action Chimique et Commande de Proc?d?s, ENIG, Route de M?dnine, 6029, Gabes, (Tunisie).

ABSTRACT: The composition of the essential oils of the aerial parts of Salvia officinalis, obtained by steam distillation, collected from an area in the northern suburb of Tunis, was analyzed by GC-MS and GC-FID. The essential oils of the organic phase and those extracted from the aqueous phase by steam distillation have a different chemical composition. More than 95% of the total of components was detected. The main components are: a-thujone (21,13%-33,52%), b-thujone (7,11%-6,24%), eucalyptol (1,19%-12,06%), camphor (20.69%-54,29%) and the caryophyllene (0,61%-6,75%). The chemotype of the Salvia officinalis studied is the a-thujone.

KEYWORDS: Chemotype; essential oil; medicinal plants; Salvia officinalis; a-thujone

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