Table 4 Cytotoxicity of Semisulcospira libertina extracts on HepG2 cell

Extraction methods	Conc. (μg/mL)	Cell viability (% of control)
Control		100±3.84
Hot water extraction (5 h)	200	93.8±5.24
	500	94.8±3.32
	1000	99.1±5.13
Acidic extraction (5 h)	200	99.9±3.02
	500	99.2±3.69
	1000	98.8±3.65
Enzymatic extraction (5 h)	200	100.4±1.56
	500	100.5±1.14
	1000	103.9±1.32
Enzymatic & acidic extraction (5 h)	200	100.7±3.21
	500	105.0±3.79
	1000	100.8±2.14