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gum from an acacia tree; used as a thickener (especially in candies and pharmaceuticals)

gum from an acacia tree; used as a thickener (especially in candies and pharmaceuticals)

Powdered exudate from various Acacia species, especially A. senegal (Leguminosae). It forms mucilage or syrup in water. Gum arabic is used as a suspending agent, excipient, and emulsifier in foods and pharmaceuticals.

Acacia.

The concrete juice which exudes from several species of acacia.

See Acacia.

The concrete juice of Acacia verek, and other species of Acacia; usually limited to that variety imported from Arabia or neighboring portions of Africa. It is used as a demulcent and a vehicle.