Table 4.

Total phenolic contents and free radical scavenging activity in breast meat of birds

Treatments	TPC (mg GAE/100 g meat)			DPPH scavenging activity (%)
	Year 1	Year 2	Mean	Year 1	Year 2	Mean
T0	103.87 ± 0.94	104.67 ± 3.52	104.27 ± 1.64f	54.21 ± 0.68	55.20 ± 1.15	54.71 ± 0.64f
T1	119.73 ± 1.04	118.80 ± 1.62	119.27 ± 0.88e	61.40 ± 0.83	59.90 ± 0.71	60.65 ± 0.59ef
T2	121.10 ± 1.82	119.70 ± 0.67	120.40 ± 0.92de	62.15 ± 0.90	61.47 ± 0.58	61.81 ± 0.50e
T3	124.73 ± 0.49	122.63 ± 1.60	123.68 ± 0.88 cd	67.39 ± 0.99	67.35 ± 0.95	67.37 ± 0.61d
T4	135.33 ± 1.58	134.10 ± 0.55	134.72 ± 0.80d	64.58 ± 1.60	62.75 ± 0.50	63.67 ± 0.85de
T5	137.47 ± 1.30	135.63 ± 0.43	136.55 ± 0.74c	71.58 ± 1.45	71.08 ± 1.28	71.33 ± 0.87c
T6	139.77 ± 1.35	139.13 ± 0.61	139.45 ± 0.68b	77.17 ± 1.17	77.26 ± 0.55	77.22 ± 0.58b
T7	153.13 ± 0.61	152.53 ± 1.22	152.83 ± 0.63bc	73.24 ± 1.01	72.92 ± 1.75	73.08 ± 0.91bc
T8	157.23 ± 0.55	156.27 ± 0.50	156.75 ± 0.39ab	81.55 ± 1.21	79.43 ± 0.72	80.49 ± 0.79ab
T9	158.70 ± 0.84	157.63 ± 0.54	158.17 ± 0.51a	82.95 ± 1.41	81.85 ± 1.44	82.40 ± 0.93a
Means	135.11 ± 3.18	134.11 ± 3.16		69.62 ± 1.67	68.92 ± 1.61

Means sharing similar letters in a column do not differ significantly from one another (p 0.05)

T0 = control without antioxidants, T1 = 100 mg quercetin + 150 mg α-tocopherol/kg feed; T2 = 100 mg quercetin + 225 mg α-tocopherol/kg feed; T3 = 100 mg quercetin + 300 mg α-tocopherol/kg feed; T4 = 200 mg quercetin + 150 mg α-tocopherol/kg feed; T5 = 200 mg quercetin + 225 mg α-tocopherol/kg feed; T6 = 200 mg quercetin + 300 mg α-tocopherol/kg feed, T7 = 300 mg quercetin + 150 mg α-tocopherol/kg feed; T8 = 300 mg quercetin + 225 mg α-tocopherol/kg feed, T9 = 300 mg quercetin + 300 mg α-tocopherol/kg feed