Table 2.

Anti-proliferation activity of isolated xanthones ¹.

Compounds 2	HepG2	A549	SGC7901	MCF-7
Doxorubicin 3	6.52 ± 0.13	14.03 ± 0.21	7.54 ± 1.11	4.40 ± 1.17
1	24.61 ± 1.89	50.67 ± 4.41	28.31 ± 3.10	17.81 ± 6.91
3	35.06 ± 2.10	38.14 ± 0.06	25.58 ± 6.99	38.50 ± 9.28
4	19.71 ± 6.03	22.27 ± 2.14	10.15 ± 1.30	10.67 ± 7.85
5	15.88 ± 6.45	24.99 ± 7.67	5.74 ± 3.02	7.09 ± 1.26
6	20.47 ± 2.00	5.29 ± 1.34	16.58 ± 2.64	5.25 ± 2.96
7	23.12 ± 1.85	20.46 ± 1.45	16.04 ± 0.29	47.50 ± 2.11
8	4.14 ± 0.39	10.54 ± 0.25	0.07 ± 0.01	2.37 ± 1.38
9	23.62 ± 2.60	5.61 ± 0.60	13.11 ± 1.88	13.90 ± 0.58
10	20.41 ± 0.92	9.28 ± 2.01	6.96 ± 0.73	9.31 ± 1.19

¹ The results were shown as IC₅₀ ± SD in μmol·L⁻¹. ² Other isolates with IC₅₀ > 50 μmol·L⁻¹ for all cell lines are not listed. ³ Doxorubicin was used as a positive control.