Ex Vivo Antioxidant Activity of Selected Medicinal Plants against Fenton Reaction-Mediated Oxidation of Biological Lipid Substrates

Table 3

Correlation between the antioxidant activity of plant extracts against lipid oxidation in brain homogenate and the content of polyphenol and flavonoid in the extracts.

	M	-value	80M	-value
Polyphenol; (mg/g)
AnP	88.33 ± 2.35	0.041	41.66 ± 2.35	0.718
CS	51.66 ± 2.35	0.977	63.33 ± 2.35	0.706
CP	46.66 ± 4.71	0.584	55.00 ± 0	0.591
AP	83.33 ± 9.42	0.700	120.00 ± 0	0.720
Flavonoid; (mg/g)
AnP	1.87 ± 0.07	0.041	0.96 ± 0.11	0.718
CS	0.04 ± 0	0.949	0.40 ± 0.06	0.701
CP	0.59 ± 0.01	0.566	1.09 ± 0.01	0.608
AP	2.58 ± 0.10	0.683	1.69 ± 0.02	0.720

Values are mean of triplicates (); M: methanol extract; 80M: 80% methanol extract; -value: ; AnP: Andrographis paniculata; CS: Costus speciosus; CP: Canthium parviflorum; AP: Abrus precatorius.