Description
Carrageenan can be heated and cooled to form a viscoelastic matrix that stabilizes air bubbles, creating a stable foam.
Technical
Carrageenan, a sulfated polysaccharide extracted from red seaweed, can be thermally solubilized and then cooled to create a viscoelastic matrix that traps air, forming stable foams. The balance of temperature, pH, ionic strength, and shear determines foam stability, while deviations cause collapse or graininess. Its sulfate groups confer negative charge, promoting electrostatic repulsion between polymer chains and stabilizing the air–water interface.
Science
Primary Reaction
Thermal solubilization and subsequent cooling of carrageenan leads to viscoelastic network formation that stabilizes air bubbles.
Sensory Profile
Aroma ()
neutralsweetseaweed-likemildcleanmarinesubtlefresh