Table 5.

Cytotoxic activity of extract of Streptomyces sp.S2A against HT-29, MDA and U-87 MG.

Concentration (μg/mL)	Inhibition %
	U-87 MG	MDA	HT-29
5	13.76 ± 1.81	3.57 ± 1.76	18.51 ± 3.89
10	16.51 ± 2.01	10.71 ± 3.75	21.76 ± 2.32
20	19.26 ± 3.79	15.0 ± 4.10	23.15 ± 1.96
50	36.19 ± 2.11	30.95 ± 2.87	35.31 ± 2.77
100	59.63 ± 1.90	55.23 ± 1.09	52.31 ± 2.40
IC50 (μg/mL)	93.32	80.02	88.68