Ultrasound-Assisted Extraction of Total Flavonoids from Stems and Leaves of Gynura divaricata (L.) DC. and Its Inhibitory Activity on α-Glucosidase
LIU Xu，LIU Wei-wei，CAO Xue-li
FOOD SCIENCE . 2012, (4): 134 -139 .  DOI: 10.7506/spkx1002-6630-201204027