SULFATED POLYSACCHARIDE AND METHOD FOR PRODUCING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a sulfated gellan having >80% hydroxy group esterified with sulfuric acid. SOLUTION: The gellan of a raw material is subjected to a strong acid condition by an acid such as hydrochloric acid and sulfuric acid to make the gellan a free body. The free gellan is esterified with the sulfuric acid by a routine procedure. COPYRIGHT: (C)2007,JPO&INPIT