For the comprehensive development and utilization of rose resources,We have systematically studied in rose polyphenols and polysaccharides material.We establish a simple and practical extraction and purification process to isolate the tannins,pigments and other phenolic substances and polysaccharide from rose.we find that DA201 have higher adsorptive capacity on rose pigment.We have a screening study about the solution of pH, different elution agent(alcohol) concentration and the amount of solvent e...