Author(s): Mohamed A. Al-Yahya, Aly M. El-Sayed, Mahmoud M.A. Hassan and Ibrahim El-Meshal
Article publication date: 1989-08-01
Vol. 7 No. 2 (yearly), pp. 1-6.
166
Keywords
Saudi Arabia, steam distillation, oil
Abstract
The aerial parts of Pulicaria crispa, grown wild in Saudi Arabia, were subjected to steam distillation. Analysis of the combined GC/MS spectra of the volatile oil revealed several terpenoids. β-caryophyllene and its oxide were tentatively characterized as the major constituents along with other sesquiterpenoids not previously reported in this plant. The activity of the oil on several microorganisms was also explored