Table 2.

IC₅₀ values of N. alba extracts obtained after 24 h incubation. Data were obtained from dose-response curves using GraphPad Prism ver. 5. The results are expressed in µg/mL.

N. alba Extracts	Tumor Cells *
	V79	A2780	LNCaP	MCF-7
Leaf	367 ± 50	23.2 ± 3.0	274 ± 81	25.4 ± 5.9
Root	281 ± 59	19.4 ± 3.8	152 ± 47	18.1 ± 3.3

* V79—lung fibroblasts normal cells; A2780—ovarian tumor cells; LNCaP—prostate tumor cells; MCF-7—tumor breast cells.