Table 1. Effects of crotoxin on the growth of Eca-109 cells. Mean±SD. n=3. ^bP<0.05, ^cP<0.01 vs control.

Concentration of crotoxin (μg/mL)	OD value	P value	Inhibition rate
Control group	0.732±0.091
25	0.574±0.115b	0.033	22.9%
50	0.492±0.065c	0.002	35.8%
100	0.364±0.055c	0.001	57.2%