Effect of UV-B radiation on antioxidant defense system in sunflower cotyledons

@inproceedings{Costa2002EffectOU,
  title={Effect of UV-B radiation on antioxidant defense system in sunflower cotyledons},
  author={Hern{\'a}n Costa and Susana M. Gallego and Mar{\'i}a Luj{\'a}n Tomaro},
  year={2002}
}
Abstract The behavior of the antioxidant defense system was studied in sunflower cotyledons subjected to ultraviolet-B (UV-B) radiation. The two doses assayed (15.0 and 30.0 kJ m−2) induced oxidative damage, as evidenced by an increase in lipid peroxidation and a decrease in both chlorophyll content and superoxide dismutase activity. However, the reduced glutathione/oxidized glutathione ratio was significantly increased and ascorbate/dehydroascorbate ratio was not affected by UV-B treatments… CONTINUE READING

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