摘要 : Water distilled essential oils from two Umbelliferae species,which are endemic to Iran,were analyzed by GC/MS.alpha-Pinene (39.6%),beta-pinene (23.9%) and beta-phellandrene (9.5%) were the main components among the 33 constituents... 展开 Water distilled essential oils from two Umbelliferae species,which are endemic to Iran,were analyzed by GC/MS.alpha-Pinene (39.6%),beta-pinene (23.9%) and beta-phellandrene (9.5%) were the main components among the 33 constituents characterized in the oil of Peucedanum scoparium,representing 99.3% of the total components detected.Nineteen compounds were identified in the oil of Serotinocarpum insignis,representing 93.3% of the total oil with limonene (36.9%),beta-pinene (17.4%) and myrcene (15.8%) as the major constituents.Both oils were richers in monoterpene than sesquiterpene hydrocarbons. 收起