Extraction and Determination of Total Flavonoids from Helianthus annuus L.
YANG Shu-ping1，HAN Li-jun2，CHEN Xiao-yun1，XU Rui-bo1，JIANG Ying-dao1
FOOD SCIENCE . 2010, (24): 66 -69 .  DOI: 10.7506/spkx1002-6630-201024013