Group I:	Normal control rats
Group II:	Normal control rats + Biflavonoid (80 mg/kg b.wt)
Group III:	Diabetic control
Group IV:	Diabetic + Biflavonoid (20 mg/kg b.wt)
Group V:	Diabetic + Biflavonoid (40 mg/kg b.wt)
Group VI:	Diabetic + Biflavonoid (80 mg/kg b.wt)
Group VII:	Diabetic + Metformin (500 mg/kg b.wt)