Anti-Hyperglycemic Role of Hydroethanolic Extract of Foeniculum Vulgare Seed on Diabetic Wistar Albino Rats
Abstract
Objective: Foeniculum vulgare has been suggested as a potential option for the management ofhyperglycemia. This study aimed to evaluate the anti-hyperglycemic effects of the hydro-ethanolic extract ofFoeniculum vulgare seeds (HEEFVS) in alloxan-induced diabetic rats.
Materials and Methods: Thirty-six male rats were randomly divided into six groups (I–VI). Diabetes wasinduced by intraperitoneal injection of alloxan (175 mg/kg) in groups II–VI. Groups I and II received distilledwater; groups III, IV, and V were treated with HEEFVS at doses of 100, 200, and 400 mg/kg body weight/day,respectively; and group VI received glibenclamide (5 mg/kg body weight/day). Serum glucose, total cholesterol(TC), triglycerides (TG), aspartate transaminase (AST), alanine transaminase (ALT), and histological analysisof the liver were assessed.
Results: Administration of HEEFVS at 200 and 400 mg/kg significantly decreased ALT and AST activities(P< 0.001). Total cholesterol levels were significantly reduced (P< 0.001) at all tested doses (100, 200, and 400mg/kg). Triglyceride levels showed a significant reduction (P< 0.01) only at the 400 mg/kg dose. During thesecond and third weeks, administration of 200 and 400 mg/kg markedly reduced glucose levels (P< 0.001).Complete regeneration of liver tissue was observed in the 400 mg/kg group, while partial restoration was seenin the 100 mg/kg and 200 mg/kg groups. DPPH radical scavenging and α-amylase inhibitory activities ofHEEFVS demonstrated IC50 values of 146.6 μg/ml and 8.47 μg/ml, respectively. The LD50 of HEEFVS wasgreater than 3500 mg/kg.
Conclusion: HEEFVS exhibits strong hepato-protective, hypolipidemic and anti-hyperglycemic effects.