Sulfur Containing Compounds in the Volatile Oil of Ferula latisecta Rech. f. & Aell. Leaves

The essential oil obtained from dried leaves of Ferula latisecta by hydro-distillation, was analyzed by GC-MS. Twenty-eight components, representing 93.0% of the oil, were characterized. The main components were sec-butyl-(Z)-propenyl disulfide (35.2%), alpha-cadinol (10.7%), junicedrol (10.0%), sec-butyl-(E)-propenyl disulfide (8.8%), epi-alpha-bisabolol (5.1%), delta-cadinene (3.9%), germacrene D-4-ol (3.6%) and di-sec-butyl disulfide (2.1%). The oil contained 48.0% total polysulfides.