3.

不同浓度丹参酮ⅡA在不同时间点对SPC-A-1细胞的生长抑制作用（Mean±SD）

Growth inhibition effect of Tanshinone ⅡA over a range of concentrations on SPC-A-1 cell line at different times (Mean±SD)

Concentration   （μg/mL）	24 h			48 h			72 h
	OD	Inhibitory rate (%)		OD	Inhibitory rate (%)		OD	Inhibitory rate (%)
*P < 0.05, compared with the control group.
Control	0.290±0.009	—		0.460±0.06	—		0.473±0.012	—
2.0	0.259±0.020	10.54		0.314±0.028*	31.72		0.310±0.029*	34.46
4.0	0.225±0.028*	22.45		0.286±0.049*	37.81		0.211±0.034*	55.44
6.0	0.220±0.030*	24.01		0.245±0.017*	46.71		0.204±0.044*	56.98
8.0	0.209±0.018*	27.81		0.238±0.020*	48.23		0.178±0.020*	62.37
10.0	0.1940±0.023*	33.07		0.209±0.087*	54.54		0.113±0.007*	76.22