Singlet oxygen quenching and radical scavenging capacities of structurally-related flavonoids present in Zuccagnia punctata Cav.

@article{Vieyra2009SingletOQ,
  title={Singlet oxygen quenching and radical scavenging capacities of structurally-related flavonoids present in Zuccagnia punctata Cav.},
  author={Faustino E. Mor{\'a}n Vieyra and H{\'e}ctor J Boggetti and Iris Catiana Zampini and Roxana Mabel Ord{\'o}{\~n}ez and Mar{\'i}a In{\'e}s Isla and Rosa Mar{\'i}a Mu{\~n}iz {\'A}lvarez and Veridiana Vera de Rosso and Adriana Zerlotti Mercadante and Claudio D Borsarelli},
  journal={Free radical research},
  year={2009},
  volume={43 6},
  pages={
          553-64
        }
}
The singlet oxygen (1O2) quenching and free radical (DPPH(*), ABTS(* +) and O2(* -)) scavenging ability of three structurally-related flavonoids (7-hydroxyflavanone HF, 2',4'-dihydroxychalcone DHC and 3,7-dihydroxyflavone DHF) present in the Argentinean native shrub Zuccagnia punctata Cav. were studied in solution by combining electrochemical and kinetic measurements, mass spectroscopy, end-point antioxidant assays and computational calculations. The results showed that the antioxidant… CONTINUE READING
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