Study on Extraction Techology and Antioxidant Activity of Total Flavonoids from Supercritical CO2 Extration Residue of Humulus lupulus
YANG Xiao-Lan, ZHENG Hai-Ying, HU Shi-Ping, LUO Zheng-Ming, ZHANG Xiao-Yun
FOOD SCIENCE . 2008, (11): 137 -141 .