Table 1.

Effect of different concentrations of anise seed essential oil and extracts on HepG₂ cells viability, as assessed by Methyl thiazolydiphenyl-tetrazolium test (% viability)

Incubate	Concentration	10 µg/ml	50 µg/ml	100 µg/ml	500 µg/ml
Control		100±7.6	100±8.4	100±7.8	100±8.9
E		97.26±5.6	97.3±5.2	41.2±6.3 #	32.5±4.6 #
HE		96.2±4.5	96.5±5.6	45.6±4.5 #	36.58±6.5 #
NE		96.4±4.3	97.5±6.8	49.6±6.2 #	39.5±5.4 #

Data are given as Mean±SD for three independent experiments

^# Indicates significant differences as compared to control cells (P<0.05)

E: Essential oil, HE: Hydroalcoholic extract, NE: n-hexane extract