Gellan gum (E418) is a bacterial exopolysaccharide, prepared commercially by aerobic submerged fermentation from Sphingomonas elodea (previously called Pseudomonas elodea), in a manner similar to xanthan. discovered in 1978,1988 Approved in Japan,1992 USA full approved.

 Compared with other colloids, Gellan Gum has many peculiar advantages: 
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.