support from the Natural Science Foundation of Chongqing Municipality,China(CSTC,2011BA 5034);funded by the Chongqing Municipal Health Bureau,China(No.2009-1-12).
High-performance liquid chromatography(HPLC)coupled with an evaporative light scattering detector(ELSD)or a diode array detector(DAD)were utilized for the quantitative analysis of 4 alkaloids(peimisine,sipeimine,peimi...