Research Article

Effects of an Agaricus blazei Aqueous Extract Pretreatment on Paracetamol-Induced Brain and Liver Injury in Rats

Table 4

Effects of paracetamol injury and A. blazei pretreatment on antioxidant enzyme activities in the liver and brain tissues. For experimental details see Section 2.

EnzymesOrgan I, control II, A. blazei pretreatment III, paracetamol injury IV, A. blazei pretreatment + paracetamol injury

Catalase (μmol min−1 mg−1)Liver1078.8 ± 75.1 ( )942.5 ± 104.1 ( )597.0 ± 68.2 ( )a,b,c898.3 ± 33.9 ( )
Brain15.97 ± 0.79 ( )16.79 ± 1.21 ( )12.00 ± 0.98 ( )a,b14.56 ± 0.77 ( )

Superoxide dismutase (units mg−1)Liver4.29 ± 0.14 ( )4.3 ± 0.42 ( )2.97 ± 0.17 ( )a,b3.30 ± 0.22 ( )d,e
Brain2.03 ± 0.13 ( )1.97 ± 0.09 ( )1.46 ± 0.09 ( )a,b,c1.78 ± 0.10 ( )

Glutathione reductase (nmol min−1 mg−1)Liver36.11 ± 3.11 ( )38.38 ± 2.04 ( )46.25 ± 5.85 ( )47.25 ± 1.82 ( )
Brain14.34 ± 0.73 ( )15.58 ± 0.99 ( )12.76 ± 0.43 ( )b,c14.99 ± 0.44 ( )

Glutathione peroxidase (nmol min−1 mg−1)Liver107.2 ± 5.7 ( )133.8 ± 9.0 ( )122.3 ± 16.2 ( )139.7 ± 16.1 ( )
Brain33.0 ± 1.3 ( )31.5 ± 2.1 ( )27.4 ± 0.5 ( )a30.8 ± 0.7 ( )

Significant differences ( ), according to one-way ANOVA followed by Student-Newman-Keuls post-hoc testing, are identified by the superscript letters as follows: aIII versus I; bIII versus II; cIII versus IV; dIV versus I; eIV versus II.