Acidic Polysaccharides from Marine Organismsby Mauro S. G. Pavão, Univ Federal do Rio de Janeiro, Rio de Janeiro, Brazil,
Ricardo P. Vieira, Univ Federal do Rio de Janeiro, Rio de Janeiro, Brazil,
Paulo A. S. Mourão, Univ Federal do Rio de Janeiro, Rio de Janeiro, Brazil,
Abstract: Different types of acidic polysaccharides have been extracted from various marine organisms. The chemical composition and structural studies of these molecules established that the main sulfated polysaccharide from the tunic of 5 species of ascidians (Tunicata) is composed of α-L-galactopyranose units. A sulfated α-L-fucan and a fucosylated chondroitin sulfate are present in the body wall of sea-cucumbers (Echinodermata). Two types of polymers were found to be present in a brown seaweed: alginic acid and a sulfated fucan.
Subject Headings: Sulfates | Acids | Organisms | Walls | Polymer
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