Table V.

Inhibitory effect of RPTI on the in vitro proliferation of BGC-823 cells.

	48 h after addition of RPTI		72 h after addition of RPTI
RPTI (μg/ml)	Absorbance (A)	Inhibition rate (%)	Absorbance (A)	Inhibition rate (%)
0	0.163±0.014	-	0.178±0.017	-
2	0.147±0.001	9.82	0.152±0.013a	14.42
4	0.131±0.007a	19.63	0.132±0.011a	25.78
8	0.109±0.008a	33.13	0.099±0.009a	44.26
16	0.082±0.006a	49.69	0.060±0.007a	66.53
32	0.059±0.005a	63.80	0.037±0.008a	79.04

Absorbance values are the mean ± SD, n=10.

^aP<0.01, compared with the control (0 μg/ml) group.

RPTI, Rhizoma Pinelliae trypsin inhibitor.