Purification and physicochemical properties of different polysaccharide fractions from the water extract of Boschniakia rossica and their effect on macrophages activation

► Three polysaccharides were purified from the water extract of Boschniakia rossica. ► The physicochemical properties of polysaccharides were investigated employing various chemical and instrumental analysis. ► The effect of polysaccharide on the macrophage activation was assessed.