Abstract: | Artemisia ketone, artemisia alcohol, β-caryophyllene oxide and 1,8-cineole were confirmed as the major components of the volatile oil from Achillea ageratum L. In an antibacterial diffusion assay, the volatile oil showed activity mainly against Gram-positive bacteria Bacillus sp. and Staphylococcus aureus . The oil also showed some activity against the Gram-negative bacteria, Escherichia coli . |