Table 3.

The cytotoxicity of compounds 1−22 isolated from Pueraria Flos against human ovarian cell lines A2780 and IOSE80PC.

Compound	IC50 (μM) a
	A2780	IOSE80PC
8	9.99 ± 0.98	>100
10	25.63 ± 1.80	>100
11	48.67 ± 0.31	>100
12	57.45 ± 3.08	>100
14	71.24 ± 11.29	>100
16	48.54 ± 1.97	>100
17	23.72 ± 2.54	>100
21	7.36 ± 0.58	65.84 ± 1.60
Cisplatin	10.73 ± 0.81	12.78 ± 0.55
Quercetin	19.45 ± 2.92	>100

^a IC₅₀ value is defined as the concentration that reduces cell number by 50% compared to control cultures. Compounds 1–7, 9, 13, 15, 18–20, and 22 were not active (IC₅₀ > 100 μM) in A2780 cells. The inactive compounds were not tested on IOSE80PC.