title: Phytochemical analysis and in vitro free-radical-scavenging activities of the essential oils from leaf and fruit of Melaleuca leucadendra L.
abstract: The phytochemical profile of Melaleuca leucadendra L. leaf and fruit oils from Cuba was investigated by GC and GC/MS. Forty-one and sixty-four volatile compounds were identified and quantified, accounting for 99.2 and 99.5% of the leaf-oil and fruit-oil total composition, respectively. The main components were 1,8-cineol (43.0%), viridiflorol (24.2%), α-terpineol (7.0%), α-pinene (5.3%), and limonene (4.8%) in the leaf oil, and viridiflorol (47.6%), globulol (5.8%), guaiol (5.3%), and α-pinene (4.5%) in the fruit oil. The antioxidant capacity of these essential oils was determined by three different in vitro assays (2,2-diphenyl-1-picrylhydrazyl (DPPH) radical, thiobarbituric acid reactive species (TBARS), and 2,2'-Azinobis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical cation), and significant activities were evidenced for all of them.
authors.affiliation: Instituto de Investigaciones para la Industria Alimentaria, Carretera al Guatao km 3 1/2, La Habana, Cuba. jpino@iiia.edu.cu
authors.forename: Jorge A
authors.initials: JA
authors.lastname: Pino
authors.forename: Erik L
authors.initials: EL
authors.lastname: Regalado
authors.forename: José L
authors.initials: JL
authors.lastname: Rodríguez
authors.forename: Miguel D
authors.initials: MD
authors.lastname: Fernández
mesh_terms: D001713:Biphenyl Compounds / Q000737:chemistry; D016166:Free Radical Scavengers / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology; D005609:Free Radicals / Q000737:chemistry; D005638:Fruit / Q000737:chemistry; D008401:Gas Chromatography-Mass Spectrometry; D031650:Melaleuca / Q000737:chemistry*; D015394:Molecular Structure; D009822:Oils, Volatile / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology; D010851:Picrates / Q000737:chemistry; D018515:Plant Leaves / Q000737:chemistry; D010938:Plant Oils / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology; D013329:Structure-Activity Relationship; D017392:Thiobarbituric Acid Reactive Substances / Q000737:chemistry
chemical_list: D001713:Biphenyl Compounds; D016166:Free Radical Scavengers; D005609:Free Radicals; D009822:Oils, Volatile; D010851:Picrates; D010938:Plant Oils; D017392:Thiobarbituric Acid Reactive Substances; C004931:1,1-diphenyl-2-picrylhydrazyl