Table 4 Antioxidant status of the broilers fed diets with different levels of MSG

GSH-Px (μmol/ml)

210 ± 0.29^a

200 ± 0.21^ab

199 ± 0.29^ab

170 ± 0.28^b

129.33 ± 0.10^c

120 ± 0.26^d

< 0.0001^*

SOD (μmol/ml)

120 ± 0.43

120 ± 0.26

119 ± 0.29

113.67 ± 0.24

111.67 ± 0.21

110 ± 0.31

0.2282^ns

T-AOC (μmol/ml)

5.63 ± 0.00^a

4.00 ± 0.00^ab

3.95 ± 0.03^ab

3.30 ± 0.01^b

2.40 ± 0.01^c

1.70 ± 0.01^d

< 0.0001^*

MDA (nmol/ml)

1.90 ± 0.03^c

2.03 ± 0.02^c

2.60 ± 0.01^bc

3.93 ± 0.00^b

3.93 ± 0.03^b

4.60 ± 0.00^a

0.0003^*