Table 7.

Effects of phytosterol supplementation on antioxidant capacity in breast muscle of white feather broilers.

	PS 2 (mg/kg)
Items 1	0	10	20	40	80	SEM 3	P-Value
SOD (U/mgprot)	57.99c	61.67bc	64.66b	72.40a	61.22bc	1.834	0.014
MDA (nmol/mgprot)	1.54b	1.55b	0.81a	0.90a	1.17a	0.079	<0.001
GSH-PX (U/mgprot)	6.63	6.07	6.44	6.49	6.51	0.541	0.999
CAT (U/mgprot)	0.74	0.73	0.84	0.75	0.62	0.046	0.698
T-AOC (μmol/gprot)	3.17c	4.88b	5.02b	6.50a	4.97b	0.408	0.012

¹SOD, superoxide dismutase; MDA, malondialdehyde; GSH-Px, glutathione peroxidase; CAT, catalase; T-AOC, total antioxidant capacity.

²PS, phytosterols.

³SEM, total standard error of means.

^a-cMeans with different letters within a row differ significantly (P < 0.05).