Sample	Concentration (μg/ml))	MDA formation (A540)	Inhibition rate (%)
PPM	125	0.265±0.008^a	44.33
	250	0.237±0.018^a	50.21
	500	0.214±0.006^a	55.04
PMA	125	0.248±0.007^a	47.90
	250	0.225±0.006^a	52.73
	500	0.212±0.003^a	55.46
PMB	125	0.241±0.007^a	49.37
	250	0.228±0.008^a	52.10
	500	0.209±0.007^a	56.09
PMC-1	125	0.267±0.029^ab	43.91
	250	0.213±0.005^a	55.25
	500	0.206±0.004^a	56.72
Control	0	0.476±0.013	-------