Purification of Toosendanin was performed by re-crystallizing technique with ethanol.

1．用50%的乙醇对78%川楝素进行重结晶，得到白色针状结晶。

Objective To study the effects of toosendanin extracts on the apoptosis of human erythroleukemia K562 cells. Methods MTT Assay was used to examine the effects of toosendanin extracts on the proliferation of K562 cells.

目的探讨川楝素提取物对人白血病K562细胞的增殖抑制和诱导凋亡作用及其机制。

A novel RP-HPLC with fluorescence detection was developed for the determination of Toosendanin（TSN） in the fruit of Melia azedarach,which was obtained by using a variety of separation and purification technology.

采用各种分离纯化技术得到苦楝果实中的苦楝素,并建立了高效液相色谱荧光检测法测定苦楝果实中苦楝素的新方法。 结果表明,该法简便、快速、灵敏、重现性好。