Plants of the family Apiaceae are widely used in Iranian’s folk medicine, but no medicinal use of Semenovia tragioides, which is a rare plant, has been reported. Methods and Results:
The essential oil from aerial parts of Semenovia tragioides (Boiss.) Manden. (Umbelliferae) consisting mainly p-cymene (18.5 %) Z- b- ocimene (7.7%), cinnamyl isovalerate (7.4%), and g–terpinene (5.5%) was screened for antibacterial activity against six bacterial strains.
The essential oil remarkably inhibited the growth of all tested bacteria (two Gram-positive and four Gram-negative). The maximum activity was against Staphylococcus aureus.
Keywords: Semenovia tragioides, essential oil composition, p-cymene, cinnamyl isovalerate, antibacterial activity.