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tragacanth

tragacanth (trăg´əkănth) or gum tragacanth, gummy exudation from the leguminous shrub Astragalus gummifer and related pulse family plants of SE Europe and W Asia. It is obtained through incisions in the stem of the plant. The gum is produced chiefly in Iran. Tragacanth is almost insoluble in water but swells in it to form a stiff gel. It is used as an emulsifying agent, as a component of pills, hand lotions, and medicinal lubricating jellies, as a demulcent, and as a sizing material. A gum (sometimes called Indian tragacanth) from a plant of the sterculia family is sold as a cheaper substitute. See gum.

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tragacanth

tragacanth medicinal gum from plants of the genus Astragalus. XVI. — F. tragacante or L. tragacantha — Gr. tragákantha goat's-thorn, f. trágos he-goat + ákantha thorn.

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gum tragacanth

gum tragacanth Obtained from the trees of Astralagus spp., used as a stabilizer.

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gum tragacanth

gum tragacanth: see tragacanth.

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"gum tragacanth." The Columbia Encyclopedia, 6th ed.. . Retrieved February 23, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/gum-tragacanth

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