Optimization of Ultrasonic Extraction Process for Total Flavonoids from Hovenia Seeds by Response Surface Methodology
YU Xiu-zhu，WANG Ling，DU Shuang-kui，LI Zhi-xi，ZHANG Jing-ya
FOOD SCIENCE . 2011, (12): 125 -129 .  DOI: 10.7506/spkx1002-6630-201112028