Parameters Controlled on Indonesian Sargassum duplicatum Extraction Process To Obtain a Water-Soluble Alginate

Abstract-- Alginate is a family of organic polymeric polysaccharides is composed of two monomer units of guluronic acid (G) and mannuronic acid (M) or both alternating (GGMM). Alginate compound found in the cell walls of brown seaweed in the form of crystals arranged in parallel on fine threads and cellulose in the cell fluid. This study was conducted to obtain alginate products are soluble in water and it has sufficient viscosity. Optimization does on the extraction process to obtain seaweed alginate. The main parameter to be achieved is the efficiency of the process, both technically and economically. In this research, the extraction process has been carried out in stages to make the pH controlled. pH controlled has been carried out with the addition of HCl and Na2CO3. From the research, product characterization and analysis of physical chemistry b