Sodium Alginate is the sodium salt form of alginic acid mainly extracted from the cell walls of brown algae, with chelating activity. Alginates reacts with calcium ions and form thermo-irreversible gel so, It is also widely used in molecular gastronomy. It is a white powder, odourless and tasteless, slowly soluble in cold water forming a viscous solution. Sodium alginate is widely used in food, pharmaceutical,  Cosmetic, impression and dental grade