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  • Title: Flavonoid profile and radical-scavenging activity of Mediterranean sweet lemon (Citrus limetta Risso) juice.
    Author: Barreca D, Bellocco E, Caristi C, Leuzzi U, Gattuso G.
    Journal: Food Chem; 2011 Nov 15; 129(2):417-422. PubMed ID: 30634246.
    Abstract:
    The flavonoid composition of crude Citrus limetta Risso (limetta, Mediterranean sweet lemon) juice was elucidated by means of reverse-phase HPLC-DAD-ESI-MS/MS analysis. In a single course, eight compounds (C- and O-glycosyl flavonoids) were identified, six of which were found for the first time in limetta juice: four C-glucosyl flavones, namely vicenin-2, lucenin-2 4'-methyl ether, orientin 4'-methyl ether and scoparin; the O-glycosyl flavone, rhoifolin; and the O-glycosyl flavanone, eriocitrin. In addition, ABTS+ and DPPH radical quenching and FRAP assays demonstrate that limetta juice possesses remarkable antioxidant activity.
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