title: Free-radical-scavenging and antioxidant activities of secondary metabolites from reddened cv. Annurca apple fruits.
abstract: Forty-three secondary metabolites were isolated and characterized from cv. Annurca apple fruit, an apple variety cultivated in the south of Italy. This apple cultivar undergoes a typical reddening treatment after collection. All of the compounds were characterized on the basis of their spectroscopic data. The compounds were tested for their radical-scavenging and antioxidant activities by measuring their capacity to scavenge DPPH* (2,2'-diphenyl-1-picrylhydrazyl radical), H2O2, and NO (nitric oxide) and to inhibit the formation of methyl linoleate conjugated diene hydroperoxides or TBARS (thiobarbituric acid reactive species).
authors.affiliation: Dipartimento di Scienze della Vita, Seconda Università di Napoli, via Vivaldi 43, I-81100 Caserta, Italy.
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Cefarelli
authors.forename: Brigida
authors.initials: B
authors.lastname: D'Abrosca
authors.forename: Antonio
authors.initials: A
authors.lastname: Fiorentino
authors.forename: Angelina
authors.initials: A
authors.lastname: Izzo
authors.forename: Claudio
authors.initials: C
authors.lastname: Mastellone
authors.forename: Severina
authors.initials: S
authors.lastname: Pacifico
authors.forename: Vincenzo
authors.initials: V
authors.lastname: Piscopo
mesh_terms: D000975:Antioxidants / Q000494:pharmacology*; D001713:Biphenyl Compounds; D005419:Flavonoids / Q000032:analysis* / Q000494:pharmacology; D016166:Free Radical Scavengers / Q000494:pharmacology*; D005638:Fruit / Q000737:chemistry* / Q000378:metabolism*; D006861:Hydrogen Peroxide; D008054:Lipid Peroxides / Q000737:chemistry; D027845:Malus / Q000737:chemistry*; D009569:Nitric Oxide; D010084:Oxidation-Reduction; D010636:Phenols / Q000032:analysis* / Q000494:pharmacology; D010851:Picrates; D059808:Polyphenols; D017392:Thiobarbituric Acid Reactive Substances / Q000032:analysis / Q000737:chemistry
chemical_list: D000975:Antioxidants; D001713:Biphenyl Compounds; D005419:Flavonoids; D016166:Free Radical Scavengers; D008054:Lipid Peroxides; D010636:Phenols; D010851:Picrates; D059808:Polyphenols; D017392:Thiobarbituric Acid Reactive Substances; C008464:methyl linoleate hydroperoxide; D009569:Nitric Oxide; D006861:Hydrogen Peroxide; C004931:1,1-diphenyl-2-picrylhydrazyl