Table 1.

Inhibitory effects of compunds from Evodia rutaecarpa on the proliferation of A549 human lung cancer cells. Cells were treated with various concentrations of compounds for 72 h. Cell viability was determined by the SRB assay

Compounds	IC50 (μM)
Evodiamine	>1.3
Rutaecarpine	>100
Goshuyuamide II	>100
Limonin	>100
Rutaevine	>100
Evodol	>100
Ellipticinea	0.8

^aEllipticine was used as a positive control.