VERFAHREN ZUR GEWINNUNG VON KRISTALLISIERTEM XYLIT

摘要

Method for recovering xylitol of the disclosure A method for prepairing pharmaceutical grade xylitol from an all aqueous solution containing mixtures of polyols including xylitol which comprises subjecting the solution to a crude crystallization and recrystallization of xylitol followed by the recovery of residual xylitol from the mother liquor by fractionating the solution using at least two columns of ion-exchange resin in two different metal forms.