Table 1. In vitro growth inhibitory activity (IC50 µg/ml) of four crude methanolic extracts.

Species	Cell lines IC50 (µg/ml)±S.D
	Raji	U937	KG-1A	MCF-7	PC3	WEHI-164	HUVEC
Salvia officinalisL.	166.89±2.2	205.11±1.3	179.00±3.2	142.43±1.3	75.78±2.8	39.95±1.1	>600
FerulagoAngulataDC.	97.21±2.7	158.00±1.0	182.44±4.3	121.59±1.6	116.72±2.0	31.92±0.9	>600
Echinophoraplatyloba DC.	125.94±1.7	178.42±0.7	140.39±2.8	154.12±2.2	69.38±3.2	40.77±2.7	>600
Chelidoniummajus L.	73.74±1.1	138.66±2.4	81.92±0.9	95.38±2.6	55.63±0.5	25.66±1.2	>600

*Data presented are the mean ± SEM of three independent experiments. p<0.05