بررسي تركيب هاي شيميايي اسانس به ليمو

Study of chemical constituents oil of Lippia citriodora H.B. et K.

Lippia citriodora (syn. Aloysia triphylla), a small tree known as lemon verbena, is used medicinally for its stomachic, diuretic and antispasmodic properties. Plant material were collected from National Botanical Garden of Iran, on 29 september 1996. The essential oils obtained by steam distillation from fresh leaves (0.57%) and flower (0.21 %), was analyzed by GC and GC/MS. The main components of the leaf oil were 1, 8-cineole+ limonene (29.6%), geranial (11.0%), neral (7.2%), /3-guaiene (6.0%), spathulenol (5.0 %) and caryophyllene oxide (4.0%), and the main components of the flower oil were 1,8-cineole+ limonene (14.2%), geranial (8.6%), fl-guaiene (7.4%), neral (6.6 %), caryophyllene oxide (5.6 %), spathulenol (4.5 %) and neryl acetate (3.0%).