Column : Shodex AFpak ACA-894 (8.0mmID*50mm) Eluent : (A); 0.02M Tris-HCl(pH7.4) + 0.5M NaCl (B); (A) + 0.05M alpha-Methyl-D(+)-glucoside Linear gradient: (A) to (B) for 60min Flow rate : 0.3mL/min Detector : UV(280nm) Column temp. : Room temp.