A Study on Cytotoxic and Apoptotic Potential of a Triterpenoid Saponin (3-O--L-Arabinosyl Oleanolic Acid) Isolated from Schumacheria castaneifolia Vahl in Human Non-Small-Cell Lung Cancer (NCI-H292) Cells

Table 1

IC₅₀ values (μg/mL) of 3-O-L-AO in NCI-H292 and MRC-5 cells at 24, 48, and 72 h incubation periods.

Cell type	3-O-L-AO (μg/mL)			Paclitaxel (μg/mL)
	24 h	48 h	72 h	24 h	48 h	72 h
NCI-H-292	4.33	2.69	1.50	8.37	3.28	1.59
MRC-5	5.40	4.59	2.83	1.51	0.96	0.35