Gellan gum is a kind of extra cellular polysaccharide excreted by microorganism pseudomonas elodea. It is a linear structure with a repeating unit of tetrasaccharide.

As a multi-functional gelling, suspending and thickening agent, it can be used individually as well as jointly with other products. It's mainly advantage is: 1 low dosage 2 excellent thermal and acid stability 3 good taste-releasing ability 4 high transparency 5 adjustable gel elasticity and rigidity 6 good combinability.