the extracts, solid remnants, and bleached red algae pulp from
G. corneum were analyzed. The samples were hydrolyzed by trifluoroacetic acid (TFA), and at 2 g/ml concentration, were
analyzed using the HPAEC-PAD chromatography system (Dionex) with a CarboPacTM PA1 column. The solvent was 18 mM NaOH.