Table 1.

Cytotoxic effects of andrographolide at IC₅₀ (μM)^a on three breast cancer cell lines after different exposure time

Time (h)	MDA-MB-231	MCF-7	T-47D	MCF-10A
24	51.98	61.11	118.5	137.9
48	30.28	36.90	72.6	106.1

^aIC₅₀ = Concentrations corresponding to 50 % growth inhibition