What is Natural gum?
'''Natural gums''' are [[polysaccharide]]s 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 {{science-stub}} [[Category:Natural materials]] [[Category:Polymers]]