(a)

Groups	Serum glucose (mg/dL)
	0th day	7th day	14th day	% variation
Normal	82.32 ± 0.99	85.43 ± 1.39	83.57 ± 2.22	−1.51
Diabetic control	360.14 ± 5.06	387.58 ± 3.28	410.13 ± 2.48	−13.88
Pet Ether extract (500 mg/kg b. w)	350.55 ± 3.26	309.87 ± 2.85	266.57 ± 4.10	23.95
Hydroethanolic extract (500 mg/kg b. w)	386.47 ± 5.51	232.51 ± 3.82**	177.49 ± 2.00**	54.07
Methanolic extract (500 mg/kg b. w)	359.54 ± 3.33	284.65 ± 2.83**	201.59 ± 3.38**	43.93
Ethyl Acetate extract (500 mg/kg b. w)	371.35 ± 2.92	325.43 ± 6.43	260.53 ± 2.94	29.84
Glibenclamide (3 mg/kg b. w)	365.9 ± 3.97	248.78 ± 4.16**	189.92 ± 3.07**	48.09

The values are expressed as mean ± SEM; n = 5 in each group. **P < 0.01 as compared with normal at the same time (one-way ANOVA followed by Dunnett's multiple comparison test).