Natural gum
Natural gums are polysaccharides of natural origin, that can change the viscosity of a material in solution, even at small concentrations.
- Agar (E406), obtained from seaweed
- Alginic acid (E400), from seaweed
- Beta-glucan, from oat or barley bran
- Carrageenan (E407), from seaweed
- Gum arabic, from Acacia
- Mastic gum, a chewing gum from ancient Greece obtained from the mastic tree
- Sodium alginate (E401), from seaweed
- Spruce gum, a chewing gum of American Indians obtained from spruce trees
