Table 2.

Antioxidant activity of chestnut and commercial feed used in the finishing diet of Celta pigs (mean ±standard error of three determinations in each feed).

	Chestnut	Commercial Feed	SEM	F
Antioxidant Activity
DPPH (µg TE/g FW)	1152.42 ± 89.84	957.33 ± 101.50	69.878	ns
ABTS (µg TE/g FW	9379.74 ± 183.61	7613.44 ± 139.96	241.704	***
FRAP (µmol Fe2+/100 g FW)	1777.49 ± 124.72	1946.09 ± 24.45	64.953	ns

FW: fresh weight. TE: Trolox equivalents. SEM: standard error of the mean. F: significance; *** (P < 0.001); ns: no significance.