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. 2020 Jul 3;99(10):4892–4903. doi: 10.1016/j.psj.2020.06.028

Table 6.

TAOC, MDA, CAT, SOD, and GPX activity in the serum of broiler chickens fed with oxidized oil and different concentrations of quercetin.

Item Treatment1
 P-value, t-test Linear Quadratic P-value
Ctr Ox OxL OxM OxH SEM
11 D TAOC 2 5.40 6.52 6.17 5.32 7.19 0.372 0.304 0.555 0.173 0.460
MDA3 3.40 5.81a 2.85b 2.70b 2.79b 0.316 0.105 0.011 0.014 0.005
CAT4 1.93 2.81a 2.13a,b 0.98b 1.84a,b 0.200 0.152 0.067 0.011 0.021
SOD4 84.23 94.97 84.46 104.02 81.69 3.493 0.152 0.424 0.351 0.224
GPX4 1,674.11 1,629.20b 1,899.11a,b 1,624.79a,b 2,158.01a 50.466 0.669 0.001 0.233 0.001
18 D TAOC2 10.64 7.52∗ 10.13 8.9 10.71 0.44 0.049 0.055 0.677 0.116
MDA3 1.77 2.70∗ 2.36 1.88 2.48 0.121 0.001 0.584 0.055 0.211
CAT4 2.02 2.61 1.96 1.88 1.87 0.151 0.387 0.212 0.270 0.390
SOD4 91.15 77.80 90.34 91.13 69.88 3.048 0.135 0.258 0.032 0.115
GPX4 2,139.99 2,197.03 2,168.06 2,145.2 2,127.31 47.347 0.747 0.627 0.886 0.966
42 D CAT4 1.18 1.69 1.57 1.61 1.92 0.093 0.085 0.110 0.205 0.239
SOD4 100.92 101.58 105.67 105.05 107.87 2.998 0.956 0.564 0.883 0.934
GPX4 2,581.29 2,306.27b 2,255.79b 2,743.26a 2,059.50b 123.903 0.156 0.423 0.017 0.017

∗Means were significantly different compared with the control. Means within 4 treatments (Ox, OxL, OxM, and OxH) lacking a common superscript differ (P < 0.05).

Abbreviations: CAT, catalase; Ctr, control group; MDA, malondialdehyde; GPX, glutathione peroxidase; SOD, superoxide dismutase; TAOC, total antioxidant capacity.

1

Ctr: basal diet; Ox: basal diet with oxidized oil; OxL: basal diet supplemented with oxidized oil and 200 ppm of quercetin; OxM: basal diet supplemented with oxidized oil and 400 ppm of quercetin; OxH: basal diet supplemented with oxidized oil and 800 ppm of quercetin.

2

TAOC: U/mg of protein.

3

MDA: nM/mg of protein.

4

CAT, SOD, GPX: U/mg of protein.