title: Chemical composition and antioxidant activity of the essential oil of aerial parts of Petasites albus from Iran: a good natural source of euparin.
abstract: The chemical composition of the essential oil of Petasites albus (known as 'Baba Adam' in Iran) was investigated by capillary gas chromatography and gas chromatography-mass spectrometry for the first time. Twenty components were identified, accounting for 99.7% of the oil composition. The major compounds were euparin (73%), α-eudesmol (13.2%) and β-selinene (4.5%). Euparin, the main component of the essential oil, was isolated and characterised by spectroscopic techniques. The antioxidant activities of the essential oil and euparin were evaluated by using the 2,2-diphenyl-1-picrylhydrazyl radical scavenging assay and are shown to exhibit a moderate antioxidant activity.
authors.affiliation: Department of Chemistry, Faculty of Science, Shahid Beheshti University, GC, Tehran, Iran.
authors.forename: Mehdi
authors.initials: M
authors.lastname: Mohammadi
authors.forename: Maryam
authors.initials: M
authors.lastname: Yousefi
authors.forename: Zohreh
authors.initials: Z
authors.lastname: Habibi
authors.forename: Dara
authors.initials: D
authors.lastname: Dastan
mesh_terms: D000975:Antioxidants / Q000737:chemistry* / Q000494:pharmacology*; D001572:Benzofurans / Q000032:analysis* / Q000737:chemistry / Q000494:pharmacology; D001713:Biphenyl Compounds / Q000378:metabolism; D008401:Gas Chromatography-Mass Spectrometry; D007492:Iran; D015394:Molecular Structure; D009822:Oils, Volatile / Q000737:chemistry*; D036901:Petasites / Q000737:chemistry*; D010851:Picrates / Q000378:metabolism; D035261:Plant Components, Aerial / Q000737:chemistry; D010938:Plant Oils / Q000737:chemistry* / Q000494:pharmacology; D010946:Plants, Medicinal / Q000737:chemistry; D045787:Sesquiterpenes, Eudesmane / Q000032:analysis; D013764:Tetrahydronaphthalenes / Q000032:analysis
chemical_list: D000975:Antioxidants; D001572:Benzofurans; D001713:Biphenyl Compounds; D009822:Oils, Volatile; D010851:Picrates; D010938:Plant Oils; D045787:Sesquiterpenes, Eudesmane; D013764:Tetrahydronaphthalenes; C087920:beta-selinene; C524284:euparin; C118684:alpha-eudesmol; C004931:1,1-diphenyl-2-picrylhydrazyl