Eisenin (pGlu-Gln-Ala-OH) is a peptide with immunological activity that is isolated from the Japanese marine alga, Eisenia bicyclis, which more commonly is known as, Arame
7-Phloroeckol is a phlorotannin found in the edible brown algae arame (Ecklonia bicyclis) and turuarame (Ecklonia stolonifera).