extraction and identification of chemical compounds of peganum harmala l. seed essential oil by hs-spme and gc-ms methods

Peganum harmala is a plant that belongs to the family zygophyllaceae. in traditional medicine, this plant hastherapeutic effects such as repelling intestinal worms, increasing sexual potency, increasing milk secretion,anti-rheumatism, regularizing, anti-parasitic, hypnotic, diaphoretic, anti-cancer and analgesic. the aimof this study was to identify the chemical composition of p. harmala seed essential oil. p. harmala seedessential oil was extracted by head space-spme [hs-spme] method and its chemical compounds wereidentified by gc-ms method. totally, 41 chemical compounds were identified in p. harmala seed essentialoil. according to the results, the most compounds of p. harmala l. seed essential oil includes 2,3-dimethylbenzofuran (28.32%), cis-linalool oxide (7.46%), [2e]- decenal (6.57%), 4aα,7β,7aα-nepetalactone (6.49%),3-oxo-p-menth-1-en-7-al (6.36%) and trans- β- terpineol (5.86%), respectively.