
Gellan gum is a fermentation polysaccharide produced by the microorganism Sphingomonas elodea. It has a straight chain structure based on repeating glucose, rhamnose and glucuronic acid units with side groups of acyl groups. Gellan gum hydrates in hot water and the lowacyl form also hydrates in cold water with sequestrants. On cooling, native high-acyl gellan gum...