| abstract |
The invention relates to the utilisation of extracts of algae obtained by extraction in liquid phase, or of at least one active substance isolated from such extract or obtained by chemical synthesis, particularly selected amongst fucols, polyfucols, diphloretols, polyphloretols, bifuhalols, polyfuhalols, phloretols, for the preparation of pharmaceutical, cosmetic, food or agricultural compositions with anti-radical activity, particularly towards the superoxide radical. The algae used are macroscopic brown, green or red algae and particularly Fucus vesiculosus. |