Extraction and Purification of Ginkgo biloba Flavonoids Using ［C8 mim］［N(CN)2］/(NH4)2SO4 Aqueous Two-Phase System
XU Xue-lei, LI Fen-fang*, TAN Zhi-jian
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2014, (6): 830 -833 .