Chemical composition of the essential oil of the artemisia arborescens l. growing wild in Lebanon

The essential oil obtained by hydrodistillation from air dried aerial parts of artemisia arborescens l. from Lebanon was analyzed by gc/ms. forty three compounds representing 95.33% of the oil sample were identified. the major component was β-thujone(68.5%), followed by chamazulene (12.3%), and some lesser amounts of terpinen-4-ol (1.8%), myrcene (1.3%), α-thujone (1.2%), linalool (1%), cis-thuyanol-4-ol (1%), carvacrol (0.9%), β-cubebene (0.8%) and camphor (0.8%).