Table 1: IC50 values of test compounds determined against HepG2, MCF-7 and Colo-205 cancer cell lines.

Test Compounds

Cancer cell lines (IC50 μg/ml)

HepG2

MCF-7

Colo-205

Lumichrome

7.7

15.3

17.6

5,10-dihydro-7,8-dimethyl alloxazine

17.2

23.9

19.7

Doxorubicin (Control)

3.4

0.2

0.003