Ultrasonic-assisted Extraction of Total Flavonoids from Gynura divaricata L. DC
LI Hui，BU Xiao-ying，CHEN Gong-xi，LI Ya-nan，LIANG Chun-feng，XIE Yi-zhen
FOOD SCIENCE . 2011, (14): 144 -146 .  DOI: 10.7506/spkx1002-6630-201114029