Gum arabic, a complex mixture of polysaccharides and glycoproteins, is derived from the hardened sap of acacia trees. It is very soluble in water and used as an emulsifier and stabilizer, for thickening syrups and drinks; for glazes; and in soft candies, such as marshmallows and wine gums. In hard, sweet candies, it ensures that the sugar does not crystallize. The mouthfeel of products that contain gum arabic is a little sticky and lingering.
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