Extraction Procedure and Partial Characterization of Polysaccharide from <i>Eucheuma gelatinae</i>

Eucheuma is a species of red alga and one of the primary sources of carrageenan. It utilizes floridean polysaccharides as food reserves. Industry has more concerns on Eucheuma is its carrageenans, however, most of other materials in Eucheuma has gone down the drain. Eucheuma gelatinae contains a certain amount of polysaccharides, which has various biological activities. In this study, alkaline extraction of acidic polysaccharide from Eucheuma gelatinae was applied.The polysaccharide structure and monosaccharide composition were also investigated by IR and GC.