Group

Dose

Blood glucose levels (mmol/L)

0 min

30 min

60 min

90 min

120 min

Group I

Saline 0.9% (w/v)

4.2 ± 0.32

8.9 ± 0.68

8.2 ± 0.25

7.1 ± 0.44

6.8 ± 0.36

Group II

Leaf Extract (200 mg/Kg BW)

4.7 ± 0.27

7.5 ± 0.5

6.9 ± 0.39

6.5 ± 0.62

6.2 ± 0.52

Group III

Leaf Extract (350 mg/Kg BW)

4.6 ± 0.38

6.3 ± 0.45*

6.1 ± 0.59*

5.8 ± 0.44

5.3 ± 0.36*

Group IV

metformin (850 mg/70 Kg BW)

4.8 ± 0.27

6.2 ± 0.26*

5.6 ± 0.16*

5.2 ± 0.3*

5.0 ± 0.06*

Group V

Leaf Extract (250 mg/Kg BW) +

Metformin (425 mg/70 Kg BW)

4.6 ± 0.16

6.5 ± 0.13*

5.9 ± 0.5*

5.7 ± 0.43

5.4 ± 0.32*