Antidiabetic and antihyperlipidemic effects of ethanolic Ferula assa-foetida oleo-gum-resin extract in streptozotocin-induced diabetic wistar rats.

The present study was conducted to investigate the hypoglycemic and hypolipidemic activity of ethanolic ferula assa-foetida oleo-gum-resin extract (FAOGRETE) and also its effects on liver and kidney function in streptozotocin (STZ)-induced diabetic rats. For this purpose, 42 male Wistar rats were divided into six groups (n = 7). Diabetes was induced in four groups by a single-dose of STZ at 55 mg/kg body weight, administrated intraperitoneal. After 42 days of treatment, fasting blood sugar (FBS) levels, serum insulin, biochemical parameters such as total cholesterol, triglycerides, low and high density lipoprotein cholesterol were measured. In addition the markers of liver and kidney function, such as glutamic oxaloacetic transaminase, glutamic pyruvic transaminase, alkaline phosphatase, serum creatinine and urea levels were determined. The study showed that the ethanolic extract at 150 mg/kg body weight (b.w) had a significant antidiabetic activity after 42 days of treatment as the FBS levels decreased significantly while the serum insulin levels increased. Moreover, a significant decrease in the liver and kidney function markers in treated rats indicated the protective effect of the ethanolic extract against liver and kidney damage, while body weight increased. The serum concentrations were normal in normal control and healthy group treated with FAOGRETE. The results of this study showed that FAOGRETE can regulate hyperglycemia and complications of diabetes. Antidiabetic and hypolipidimic activities of FAOGRETE are probably related to its antioxidant activity. Phenolic and flavonoid compounds like ferulic acid, umbelliferone, and quercetin may play an important role in its mechanism of action.
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