| Acidic glycan with molecular weight of >800,000 Da from Astragalus gummifer composed of arabinose, galactose, fructose, glucuronic acid, and xylose. Tragacanth is composed of two major fractions, with Bassorin (a methylated tragacanthin) comprising 60-70%. Heat and acid (pH >2) stable, it rapidly gels in cold or hot water to form viscous colloidal sol or semi-gel. Used in foods, pharmaceuticals, and cosmetics. |
