Column : Shodex Asahipak ODP-50 6D (6.0mmID*150mm) Eluent : 0.2M CH3COONa buffer(pH4.5 adjusted with CH3COOH)/CH3CN/CH3OH=50/25/25 Flow rate : 1.0mL/min Detector : UV(280nm) Column temp. : 30deg-CCourtesy of Dr. Oishi and Dr. Yamaki, Kitazato University