Table 3.

Cytotoxicity, anti-HAdV-7 activities and selectivity indices of licorice ethyl acetate fractions on Hep-2 cells*

Fraction #	CC50a(μg/mL)	IC50b(μg/mL)	SIc
1	35.767 ± 1.14	8.216 ± 1.62	4.353335
2	10.144 ± 1.78	8.302 ± 0.83	1.221874
3	18.682 ± 1.67	1.609 ± 1.59	11.61094
4	50.918 ± 2.19	10.824 ± 2	4.704176
5	35.54 ± 0.51	6.647 ± 2.05	5.346773
6	40.82 ± 1	1.431 ± 1.5	28.52551

^*Results are expressed as mean ± SD of duplicate measurements

^a50% cytotoxic concentration on normal Hep-2 cells

^b50% inhibitory concentration on HAdV-7

^cselectivity index