L-heptaguluronic acid heptasodium salt

L-heptaguluronic acid heptasodium salt, extracted from seaweed, is the component of the natural biopolymers, alginates[1][2].

[1] Iwamoto M, et, al. Structure-activity relationship of alginate oligosaccharides in the induction of cytokine production from RAW264.7 cells. FEBS Lett. 2005 Aug 15; 579(20): 4423-9. DOI:10.1016/j.febslet.2005.07.007
[2] Plazinski W, et, al. Conformational properties of acidic oligo- and disaccharides and their ability to bind calcium: a molecular modeling study. Carbohydr Res. 2012 Aug 1; 357:111-7. DOI:10.1016/j.carres.2012.04.021