the disaccharide unit of sea cucumber glycosaminoglycan was composed of 22.4 % chondroitin sulfate e , 11.2 % chondroitin , 10.4 % chondroitin 4-sulfate , and 56.0 % chondroitin 6-sulfate .
C0017973
glycosaminoglycan
C0008454
chondroitin