Table 5. Apoptosis analyses of HCC cells.

	Apoptosis rate (%)
	HepG2	SMMC-7721	BEL-7402
Blank group	5.1±0.9	5.0±0.8	5.2±1.0
DMSO group	4.5±0.2	4.3±0.8	4.4±0.6
Sal group	30.0±4.7*	26.6±1.0*	30.3±3.5*

^*P<0.05 were significantly statistic difference between Sal groups and Blank groups, DMSO groups.