Structure-antioxidant activity relationships of flavonoids isolated from the resinous exudate of Heliotropium sinuatum.

@article{Modak2005StructureantioxidantAR,
  title={Structure-antioxidant activity relationships of flavonoids isolated from the resinous exudate of Heliotropium sinuatum.},
  author={B. Modak and M. L. Contreras and F. Gonz{\'a}lez-Nilo and R. Torres},
  journal={Bioorganic \& medicinal chemistry letters},
  year={2005},
  volume={15 2},
  pages={
          309-12
        }
}
Relationships between the structural characteristics of flavonoids isolated from the resinous exudate of Heliotropium sinuatum and their antioxidant activity were studied. Radical formation energies, DeltaH of dehydrogenation and spin densities were calculated using DFT methods (B3LYP/6-31G*). Results show that studied flavonoids can be divided into two sets according to their activity. It has been found that antioxidant activity depends both on substitution pattern of hydroxyl groups of the… Expand
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