title: Pyruvate-free xanthan.
mesh_terms: D002236:Carbohydrate Conformation; D009904:Optical Rotation; D009994:Osmolar Concentration; D011135:Polysaccharides, Bacterial / Q000302:isolation & purification*; D011773:Pyruvates / Q000032:analysis*; D014974:Xanthomonas / Q000276:immunology
chemical_list: D011135:Polysaccharides, Bacterial; D011773:Pyruvates; C002563:xanthan gum