A method for purifying a red fruit extract containing anthocyanides wherein said extract is taken up with an aqueous solution, the aqueous solution is subsequently cooled to a homogeneous temperature below 15 °C, the permeate thus obtained after the aqueous extract has been filtered is charged onto a macro-cross-linked polymer resin, the resin is rinsed with demineralized water, the resin thus obtained is eluated with an alcool eluate solution, the eluate thus obtained is concentrated and dried.