Process Optimization for Supercritical Carbon Dioxide Extraction of Total Flavonoids from Praecox Leaves in Northern Areas
ZHANG Shan-shan1，ZHU Wen-xian1，ZHAO Xiao-hong2，LIU Shao-peng3
FOOD SCIENCE . 2011, (6): 143 -147 .  DOI: 10.7506/spkx1002-6630-201106032