VERFAHREN ZUR HERSTELLUNG VON ANTHOCYANOSID-ENTHALTENDEN EXTRAKTEN VON ROTEN FRÜCHTEN

摘要

Process for purifying a red fruit extract containing anthocyanosides, according to which:said extract is taken up in an aqueous solution;the aqueous extract is cooled until it reaches a homogeneous temperature of less than 15° C.;after filtering the aqueous extract, the permeate obtained is recovered and loaded onto a macrocrosslinked polymeric resin;the resin is then rinsed with demineralized water;then the resin obtained is eluted with an alcoholic eluting solution;finally, the eluate obtained is concentrated and then dried.