Zero                                          4 weeks                           8 weeks
Group Mean ± S.E Mean ± S.E % of change % of potency Mean ± S.E % of change % of potency
-ve control 261.2 ± 9.8 263.4 ± 10.3 - - 265.7 ± 11.9 - -
Alcohol extract (100 mg/kg b. wt.) 256.9 ± 10.5 141.2 ± 6.7* 45.03 95.26 112.4 ± 5.1* 56.24 86.83
Metformin (150 mg/kg b. wt.) 258.9 ± 8.4 136.5 ± 6.1* 47.27 100 91.2 ± 4.6* 64.77 100
*P<0.01 vs control group or statistically significant difference from zero time at p <0.01
% of change calculated as regard the control group. S.E.=standard error
Table 3: Effect of alcohol extract of A. grandidentata Salm.–Dyckon diabetic male albino rats (n=10).