the present study investigated the possible protective effect of helicteres isora (sterculiaceae) bark extracts on certain biochemical markers in streptozotocin (stz)-induced diabetes in rats. stz treatment (60 mg/kg/i.p) caused a hyperglycemic state that led to various physiological and biochemical alterations. blood levels of glucose, urea, uric acid and creatinine, plasma levels of albumin a...