Extracts from Curcuma zedoaria Inhibit Proliferation of Human Breast Cancer Cell MDA-MB-231 In Vitro

Table 1

The various concentrations of petroleum ether extracts of Curcuma zedoaria in vitro CCK8 assay of cellular viability.

Groups	Concentrations (𝜇g/mL)	𝑛	OD value (mean ± SD)	Inhibition rate (%)
Vehicle	—	3	1.49±0.22	0
Epirubicin	0.25	3	0.85±0.12^∗	49.2
	0.5	3	0.74±0.13^∗∗	58.3
	1.0	3	0.67±0.10^∗∗	63.8
	2.0	3	0.59±0.02^∗∗	69.5
	4.0	3	0.39±0.01^∗∗	85.8
Curcuma zedoaria	100	3	1.19±0.10^∗	24.2
	200	3	1.09±0.09^∗∗	31.9
	300	3	0.80±0.12^∗∗	54.7
	400	3	0.45±0.12^∗∗	81.9
	500	3	0.35±0.03^∗∗	90.0

Values are average of triplicate experiment and are represented as mean ± SD. ^∗𝑃<0.05, ^∗∗𝑃<0.01 compared with vehicle.