Antioxidant effects of aqueous extract of Salep on Paraquat-induced rat liver injury

Table 3 The effect of aqueous extract of Salep roots on Paraquate - induced rat liver injury

Group/damage score	Control	Sham	Paraquat 2 mg/kg	Paraquat+ Salep at 40 mg/kg	Paraquat+ Salep at 80 mg/kg	Paraquat+ Salep at 160 mg/kg	Paraquat+ Salep at 320 mg/kg
Portal congestion and inflammation
Score 0	8	8	0	0	0	0	1
Score 1	0	0	0	0	0	0	5
Score 2	0	0	0	1	2	3	1
Score 3	0	0	2	2	2	1	1
Score 4	0	0	6	5	4	4	0
Necrosis
Score 0	8	8	0	0	0	0	1
Score 1	0	0	0	0	0	1	4
Score 2	0	0	1	2	2	2	3
Score 3	0	0	2	1	2	2	0
Score 4	0	0	5	5	4	3	0
Interstitial infiltration of inflammatory cells
Score 0	8	8	0	0	0	0	1
Score 1	0	0	0	0	0	1	4
Score 2	0	0	1	1	1	3	2
Score 3	0	0	1	2	3	2	1
Score 4	0	0	6	5	4	2	0

Zero: No damage; 1: Minimum damage; 2: Mild damage; 3: Average damage; 4: Severe damage. Scoring was performed in five microscopic fields of each cut, randomly, with magnification of × 100.