Supported by National Natural Science Foundation Item of 2014(81373941);Shandong Natural Science Foundation Item of 2012(ZR2012HM047);Science and Technology Development Plan Item of Shandong(2014G2X219003);Major Project of the State Administration of Traditional Chinese Medicine(201407002)
[Objectives] To develop a method for separation and purification of acetophenones from Cynanchum bengei Decne root bark by combination of silica gel and high-speed counter-current chromatography( HSCCC). [Methods]The ...