Ultrasonic-assisted Extraction and Macroporous Resin Purification of Total Flavonoids from Potentilla chinensis Ser.
YU Bo1，WANG Xu-feng2，LI Wen1，LI Bo1，HE Ji-guo1,*
FOOD SCIENCE . 2009, (14): 132 -135 .  DOI: 10.7506/spkx1002-6630-200914022