洋葱提取物对结肠癌细胞增殖的抑制作用

表2 不同浓度的水提黄酮类化合物对结肠癌细胞株增殖的抑制率 (mean±SD, %)

浓度(mg/L)	24 h				72 h
	LoVo	SW480	HT-29	HCT-8	LoVo	SW480	HT-29	HCT-8
2.5	3.15±2.23	4.48±10.95	7.90±10.72	3.79±4.63	2.50±2.25	11.82±10.63	13.69±5.46	1.40±7.15
5.0	6.78±2.80	8.36±11.77a	14.45±5.14	10.13±3.31a	9.49±3.87	33.27±8.42	14.36±3.05	19.59±4.50
10.0	10.84±3.35	13.67±6.60a	19.27±3.76	22.36±1.40	9.85±1.36	37.77±5.84	17.04±2.04	23.25±3.58
20.0	13.34±2.67	17.53±7.78a	21.65±1.31	34.62±2.32	16.12±1.93	52.35±5.72	21.82±5.90	34.54±5.34
40.0	17.83±1.63a	20.84±7.80a	22.23±2.13	37.51±0.58a	34.51±5.26	68.17±7.76	25.02±15.42	54.51±5.15
60.0	24.34±2.54a	32.79±4.69a	24.20±2.41a	49.75±4.89	56.37±2.31	71.08±8.16	49.15±5.64	57.02±6.76
80.0	30.37±2.05a	41.69±0.89a	32.25±3.70a	52.50±3.39a	66.43±2.76	76.00±5.87	56.25±2.09	69.87±3.52

^aP<0.05 vs 72 h.