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Table 6 Effect of diet and sampling time on serum antioxidants and lipid oxidation (mean ± standard error) in goats

From: Serum fatty acids, biochemical indices and antioxidant status in goats fed canola oil and palm oil blend

Parameter Sampling day Level of CPOBg (%) P value
0 4 8 Diet Diet x sampling day
TBARS (mg MDA/kg) 0 0.39 ± 0.1 0.37 ± 0.1 0.37 ± 0.1 0.57 0.55
30 0.42 ± 0.0 0.35 ± 0.1 0.28 ± 0.1 0.35
60 0.35 ± 0.1 0.25 ± 0.1 0.30 ± 0.1 0.53
90 0.51 ± 0.1 0.39 ± 0.1 0.34 ± 0.1 0.07
P value 0.38 0.48 0.92 0.78
Glutathione peroxidaseh 0 57.79 ± 2.3 51.80 ± 1.9 52.90 ± 2.2 0.17 0.78
30 62.14 ± 2.4 57.00 ± 3.2 60.11 ± 1.9 0.44
60 70.26 ± 2.2 54.22 ± 2.3 61.28 ± 4.2 0.76
90 68.20 ± 3.3 60.56 ± 3.1 58.22 ± 2.2 0.27
P value 0.14 0.76 0.67 0.12
Catalasei 0 1500.94 ± 23.4 1450.75 ± 19.24 1543.43 ± 32.3 0.22 0.34
30 1624.22 ± 27.3 1623.88 ± 28.2 1600.45 ± 33.7 0.18
60 1550.45 ± 22.1 1601.97 ± 41.4 1673.22 ± 23.5 0.67
90 1724.45 ± 23.8 1555.29 ± 26.6 1500.78 ± 30.0 0.55
P value 0.39 0.98 0.43  
Superoxide dismutasej 0 2.21 ± 0.1 2.30 ± 0.1 2.21 ± 0.1 0.66 0.19
30 2.40 ± 0.2 2.37 ± 0.2 2.54 ± 0.2 0.54
60 2.33 ± 0.1 2.34 ± 0.1 2.34 ± 0.1 0.12
90 2.43 ± 0.2 2.54 ± 0.2 2.40 ± 0.1 0.32
P value 0.24 0.45 0.75  
α-tocopherol (μg/mL) 0 3.00 ± 0.3 3.20 ± 0.2d 2.90 ± 0.1d 0.63 0.25
30 3.20 ± 0.2c 3.83 ± 0.2bd 4.22 ± 0.2ae 0.04
60 3.10 ± 0.2c 4.10 ± 0.1ae 4.67 ± 0.2ae 0.03
90 3.24 ± 0.3b 4.35 ± 0.3ae 4.80 ± 0.1ae 0.02
P value 0.10 0.02 0.03  
γ-tocopherol (μg/mL) 0 0.60 ± 0.1 0.58 ± 0.1d 0.57 ± 0.1d 0.34 0.22
30 0.62 ± 0.2 0.68 ± 0.1e 0.72 ± 0.1e 0.54
60 0.62 ± 0.2a 0.70 ± 0.1be 0.75 ± 0.2be 0.01
90 0.64 ± 0.2c 0.73 ± 0.2be 0.80 ± 0.3ae 0.02
P value 0.32 0.04 0.04  
δ-tocopherol (μg/mL) 0 0.03 ± 0.0 0.03 ± 0.0d 0.02d ± 0.0 0.62 0.58
30 0.04 ± 0.0 0.06 ± 0.0e 0.06e ± 0.0 0.50
60 0.05 ± 0.0 0.05 ± 0.0e 0.06e ± 0.0 0.20
90 0.04 ± 0.0 0.06 ± 0.0e 0.07e ± 0.0 0.11
P value 0.11 0.02 0.01  
Total carotenoid (μg /mL) 0 0.20 ± 0.0 0.20 ± 0.0d 0.19 ± 0.0d 0.43 0.27
30 0.20 ± 0.0 0.23 ± 0.0e 0.25 ± 0.0e 0.22
60 0.21 ± 0.0 0.23 ± 0.0e 0.25 ± 0.0e 0.45
90 0.21 ± 0.0 0.25 ± 0.0e 0.26 ± 0.0e 0.23
P value 0.77 0.04 0.03  
  1. a, b cmeans having different superscript along the same row are significantly different (P < 0.05). d, e, fmeans having different superscript along the same column are significantly different (P < 0.05). g80 % canola oil and 20 % palm oil blend. hexpressed as nmoles NADPH oxidized /min/mg protein. iexpressed as nmol.H2O2/min/mg protein. jexpressed as Unit/ 50 % mg protein