2.5. Induction of diabetes in rats
A freshly prepared solution of streptozotocin (160 mg/kg body
weight) in 0.1 M citrate buffer (pH 4.2) was injected to the abdominal
cavity of overnight fasted rats [23]. The blood glucose level was
determined at the 6 days after injection. The rats with the blood
glucose level ranging from 10 to 25 mM were considered diabetic
and used for the further study [24].