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Gum arabic or acacia gum is a plant exudates hydrocolloid isolated from certain species of the acacia tree. Its chemical makeup is based on a number of different neutral and acid sugar components arranged in a highly branched structure.
Although gum Arabic has a relatively high molecular weight, its viscosity profile is extremely low in comparison to other hydrocolloids. This is due to its highly branched structure which limits effective hydrate volume. Highly concentrated solutions of gum Arabic (up to 50%) can be used in confections.
Arabic gum functions in confections as an emulsifiers, sugar crystallization control agent, bulking agent, and film former. In
Gum Arabic