Journal of Biological Sciences1727-30481812-5719Asian Network for Scientific Information10.3923/jbs.2018.251.259Abdou MohamedDoha Mohamed HamedIbrahim Aly FoudaKarem 52018185Background and Objective: Diabetes is a metabolic disease associated with hyperglycemia. Diabetes is the major cause of morbidity and mortality worldwide. Chronic hyperglycemia in diabetic patients leads to damage and dysfunction of many organs. The aim of the present research was studying the anti-diabetic potential of crude ethanol extract of cumin seeds (CEEC). Methods: CEEC was prepared. Diabetes was induced in rats by single dose of streptozotocin (STZ). Total flavonoids and total phenolic contents were determined in the CEEC. Free radical scavenging activity of the extract was estimated using DPPH method. Acute toxicity of the CEEC on mice was determined. The effect of CEEC on glucose tolerance was evaluated. Results: The results revealed that total phenolic and total flavonoids were presence in the CEEC by 23.02±0.045 mg GAE g1 extract and 19±0.132 mg QE g1 extract, respectively. CEEC showed free radical scavenging activity. Acute toxicity revealed that CEEC was completely safe up to 12 g kg1 mice. Oral administration of CEEC reduced glycemic levels. CEEC significantly reduced plasma glucose levels in diabetic rats and elevate insulin levels significantly compared with diabetic control. CEEC improved plasma lipid profile, reduced oxidative stress and reduced inflammation in diabetic rats. Conclusion: Crude ethanol extract of cumin seeds may be used as alternative treatment for diabetes. The results indicated that CEEC may be very helpful in the improvement of plasma lipid profile as one of the risk factors for cardiovascular diseases and heart failure in diabetic patients.]]>Mancia, G. and G. Grassi,201861517525Dain, A., G. Repossi, G.T. Diaz-Gerevini, J. Vanamala, U.N. Das and A.R. 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