a sulfated polysaccharide fraction , obtained from the hot-water extract of the brown seaweed , ecklonia kurome by removing laminaran and the major part of alginic acid , gave sulfated polysaccharides ( b-i , b-ii , c-i , and c-ii ) by both anion-exchange chromatography on a column of ecteola-cellulose and by fractional precipitation with ethanol containing 0.3 % calcium acetate , and then by gel-filtration chromatography on a sepharose 4b column .
C0038720
sulfated
C0003075
anion