شناسايي و بررسي تركيب هاي شيميايي اسانس گياه LEPIDIUM SATIVUM L.

Essential Oil Composition of Lepidium sativum L.

The genus of Lepidium is belong to Cruciferae, distributed in Europe, Mediteranean region, United State and south of Asia. In Iran 8 species are present in northern, northwestern and western districts. The leaves of Lepidium sativum were collected from Shemiran in Tehran province at full flowering stage in June 2004. Essential oil isolated by hydrodistillation from the leaves, were analysed by a combination of capillary GC and GC/MS. The yeild of essential oil was 0.3% (w/w). Twenty-five compounds in the oil were identified representing 94.7% of the total oil. The main constituent was camphor (19.8%). Other main components were 1,8-cineole (10.2%) and epi-a -bisabolol (8%).