vererühmategurites ja piimas (glükoproteiinide osana) leiduv monosahhariid
an aldose sugar that occurs in bound form in the dextrorotatory form in various glycosides and in the levorotatory form in some brown algae and in mammalian polysaccharides typical of some blood groups
Tragacanth is a dried exudation obtained from the stems and branches of strains of Astragalus gummifer Labillardiere and other Asiatic species of Astragalus (family Leguminosae). It consists mainly of high molecular weight polysaccharides (galactoarabans and acidic polysaccharides) which, on hydrolysis, yield galacturonic acid, galactose, arabinose, xylose and fucose.
