Table 3.

Percentage of cells displaying lipid peroxidation after a 2 h and 4 h incubation of MDA-MB 231 cells with X1–X3 at concentrations ranging from 0.25 µM to 2.5 µM

Compound	Concentration (µM)	Percentage of cells with lipid peroxidation
		2 h	4 h
Without compound		0.1 ± 0.0	0.1 ± 0.0
X1	0.25	0.4 ± 0.1	0.7 ± 0.3*
	0.5	0.7 ± 0.3*	0.9 ± 0.3*
	1	0.8 ± 0.2*	0.8 ± 0.3*
	2.5	1.2 ± 0.2*	1.1 ± 0.2*
X2	0.25	0.5 ± 0.3	0.7 ± 0.2*
	0.5	0.4 ± 0.1*	0.7 ± 0.2*
	1	0.4 ± 0.1*	1.0 ± 0.3*
	2.5	0.6 ± 0.1*	0.6 ± 0.2*
X3	0.25	0.5 ± 0.2*	0.5 ± 0.2*
	0.5	0.2 ± 0.0*	0.6 ± 0.2*
	1	0.4 ± 0.2*	0.6 ± 0.2*
	2.5	0.7 ± 0.1*	0.5 ± 0.3*

The mean percentage of cells ± SE with lipid peroxidation of five experiments is shown. The asterisk (*p < 0.05 against the cells without compound addition) represents statistical significance