Patent ID: 6419957
Filing Date: 2002-07-16
Classification: A61K

Abstract:
Cross-linked high amylose starch having functional groups, prepared by a process comprising the steps of:(a) reacting high amylose starch with a cross-linking agent cross-linked a concentration of about 0.1 g to about 40 g of cross-linking agent per 100 g of high amylose starch to afford cross-linked amylose; and (b) reacting the cross-linked high amylose starch with a functional group-attaching reagent at a concentration of about 75 g to about 250 g of functional group-attaching reagent per 100 g of cross-linked amylose to afford the cross-linked amylose having functional groups, wherein the functional group attaching reagent is selected from the group consisting of monochloroacetic acid and chloroethylamine hydrochloride.