Extraction and Antioxidant Activity of Total Flavonoids from Stem of Wedelia trilobata L.
ZHU Hui1，MA Rui-jun1，WU Shuang-tao2，PANG Qi-yin1
FOOD SCIENCE . 2009, (6): 52 -56 .  DOI: 10.7506/spkx1002-6630-200906007