METHOD FOR PURIFYING PULLULAN

摘要

A method for purifying pullulan which comprises cultivating a strain of Aureobasidium pullulans in a liquid medium, removing the cells from the culture broth, precipitating pululan present in said broth with at least one solvent selected from the group consisting of alcohols, esters and ether respectively with three or more carbon atoms and ketones with four or more carbon atoms to recover, and then dehydrating and/or drying the recovered pullulan.