Study on Extraction of Total Flavonoids from Tartary Buckwheat Seedling Using Ultrasonic Coupled with Propyl Alcohol -Ammonium Sulfate Aqueous Two-phase Separation and Antioxidant Activity of Total Flavonoids Extract
GAO Yun-tao1,2，LI Gan-peng1,2，LI Zheng-quan1，TANG Guang-yang1,2，ZHANG Bao-tong1
FOOD SCIENCE . 2009, (2): 110 -113 .  DOI: 10.7506/spkx1002-6630-200902021