Table 2 Mean ± S.E. values of biochemical parameters like ALT, AST, ALP, BUN and creatinine level following oral administration of ethanolic extract of Tamarindus indica L. leaves at 2 g kg^− 1 and 2% Tween 20, at the same dose rate, seperately to two groups of rabbits for consecutive 28 days

ALT level

(IU L^− 1)

EETIL

43.41^a ± 4.22

44.60^a ± 5.29

45.00^a ± 4.0

43.34^a ± 5.7

44.45^a ± 3.95

2% Tween 20

42.21^a ± 1.82

43.20^a ± 1.79

45.08^a ± 1.74

45.80^a ± 1.72

44.74^a ± 1.63

AST level

(IU L^− 1)

EETIL

43.91^a ± 9.78

46.05^a ± 8.08

46.62^a ± 7.77

46.45^a ± 8.73

47.24^a ± 11.03

2% Tween 20

44.21^a ± 4.16

46.15^a ± 4.45

48.15^a ± 3.91

47.14^a ± 4.04

46.04^a ± 3.80

ALP level

(IU L^− 1)

EETIL

6.98^a ± 0.75

7.08^a ± 0.33

6.89^a ± 0.72

5.90^a ± 1.20

6.30^a ± 1.28

2% Tween 20

6.72^a ± 0.79

6.88^a ± 0.76

7.25^a ± 0.81

7.55^a ± 0.86

7.25^a ± 0.82

BUN level

(mg dL^− 1)

EETIL

16.55^a ± 2.17

16.59^a ± 1.42

19.72^a ± 2.10

20.64^a ± 2.41

17.77^a ± 1.95

2% Tween 20

18.19^a ± 1.38

18.76^a ± 1.18

19.8^a ± 1.38

21.31^a ± 1.62

21.00^a ± 1.21

Creatinine level

(mg dL^− 1)

EETIL

1.48^a ± 0.18

1.70^a ± 0.17

1.77^a ± 0.13

1.83^a ± 0.19

1.80^a ± 0.15

2% Tween 20

1.52^a ± 0.18

1.56^a ± 0.15

1.70^a ± 0.17

1.57^a ± 0.16

1.50^a ± 0.14