Simultaneous quantification of nine constituents in Ziziphi Spinosae Semenby HPLC-MS Effects of Seeds,Leaves and Fruits of Ziziphus Spinosa and Jujuboside A on Central Nervous System Function Preparation and identification of Jujuboside A artificial antigen Comparison on quality of wild Ziziphi Spinosae Semen between marketed and produced in Tianjin