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), H 2O 2, and NO (nitric oxide) and to inhibit the formation of methyl linoleate conjugated diene hydroperoxides or TBARS (thiobarbituric acid reactive species). © 2006 American Chemical Society.

Free-radical-scavenging and antioxidant activities of secondary metabolites from reddened cv. Annurca apple fruits

D'ABROSCA, Brigida;FIORENTINO, Antonio;PACIFICO, Severina;PISCOPO V.
2006

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), H 2O 2, and NO (nitric oxide) and to inhibit the formation of methyl linoleate conjugated diene hydroperoxides or TBARS (thiobarbituric acid reactive species). © 2006 American Chemical Society.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11591/228324
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