Keyword: extraction, carrageenan, gel strength, sulfate, Eucheuma cottonii By: Sperisa Distantina*, Fadilah, Rochmadi, Moh. Fahrurrozi, Wiratni Carrageenan, as biopolymer, has excellent physical properties to form gel thermo-reversible, therefore the carrageenans are widely utilized, such as thickening, gelling, and stabilities ability. The formation of 3,6-anhydro-α-D-galactose (DA) units from α-D-galactose-6-sulfate residue byRead More →