(Gum Tragacanth) This gum, a product of the Astragulus tragacantha, comes from Smyrna and Constantinople, occurs in opaque whitish flakes, and is an excellent thickener of colours. It may be considered one of the varieties of gum Arabic. Back

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... Today, tragacanth is used mainly in manufacturing as a thickener or stabilizer. When combined with liquids, tragacanth absorbs water and expands, forming a thick liquid or a gel, depending on how much liquid is added. This effect helps to keep the ingredients in combination products from separating. Examples of products containing tragacanth include cosmetics such as body lotion, foods such as ice cream, health aids such as toothpaste, and prescription drugs such as antibacterial creams. ...
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