Chemically Diverse Secondary Metabolites from Davidia involucrata (Dove Tree)

Table 1

Cytotoxicity of compounds 5–19 against three human tumor cell lines (IC₅₀, μM).

Compounds	Cell lines
	SGC-7901	MCF-7	BEL-7404
5	>100	>100	>100
6	30.57 ± 1.63	41.34 ± 1.24	37.29 ± 1.64
7	32.22 ± 1.22	42.54 ± 1.67	39.26 ± 1.14
8	>100	>100	>100
9	>100	>100	>100
10	35.47 ± 1.55	55.24 ± 2.28	53.82 ± 2.11
11	>100	>100	>100
12	37.65 ± 1.85	58.93 ± 2.58	54.77 ± 2.05
13	>100	>100	>100
14	36.30 ± 2.00	37.40 ± 1.57	47.41 ± 2.04
15	>100	>100	>100
17	>100	>100	>100
18	>100	>100	>100
19	58.23 ± 2.36	65.35 ± 3.12	70.26 ± 4.21
20	42.35 ± 1.79	45.80 ± 2.15	38.24 ± 1.57
21	39.25 ± 1.83	21.24 ± 1.15	24.59 ± 1.51
22	7.26 ± 0.08	12.37 ± 0.18	8.15 ± 0.13
23	10.26 ± 0.52	15.21 ± 0.28	18.14 ± 0.30
Doxorubicin	0.19 ± 0.032	0.08 ± 0.007	0.12 ± 0.011

The error was presented as standard deviation (SD).
Positive control.