Table 2.

Cytotoxic activities of essential oil, ethanolic and aqueous extracts of Thymus capitata

Concentration (μg ml −1 )	Mean cell survival percentage ± standard deviation
	Essential oil (n = 3)	Ethanolic extract (n = 3)	Aqueous extract (n = 3)
5	100 ± 1.03	95.63 ± 3.31	NA
10	93.50 ± 1.13	93.18 ± 3.87	NA
20	84.51 ± 1.59	96.05 ± 2.87	NA
50	47.42 ± 0.64	92.83 ± 3.27	100 ± 0.74
100	14.77 ± 0.07	79.61 ± 3.64	92.21 ± 2.41
200	2.91 ± 0.03	45.83 ± 1.90	74.20 ± 1.71
300	1.63 ± 0.05	28.97 ± 1.90	48.35 ± 1.21
500	1.21 ± 0.04	26.80 ± 1.47	28.68 ± 0.38

NA: Not applicable.