Tragacanth is an edible plant gum obtained from the astragalus plant. It swells in water to give a sticky consistency; it is used as a binder and thickener in traditional confectionery and some ice creams. It is also known in crafts as a gilding adhesive.
Where It's Used
“Soak gum tragacanth in water until it swells, then add it to give body to the traditional confection mixture.”