Anti-hyperglycemic and Anti-hyperlipidemic Effects of Bryonia Laciniosa Seed Extract and its Saponin Fraction in Streptozotocin-induced Diabetes in Rats
Authors
SB Patel
Department of Pharmacology, Indukaka Ipcowala College of Pharmacy, New Vallabh Vidyanagar, Anand, India
D Santani
Department of Clinical Pharmacy, Rofel Shri G.M. Bilakhia College of Pharmacy, Vapi, India
MB Shah
Department of Pharmacognosy, L. M. College of Pharmacy, Navrangpura, Ahmedabad, India
VS Patel
Department of Pharmacognosy, Anand Pharmacy College, Anand, Gujarat, India
Bryonia laciniosa Linn. (Cucurbitaceae) seed is used in traditional medicine for a number of ailments including metabolic disorders. This investigation was carried out to investigate the anti-hyperglycemic and anti-hyperlipidemic potential of the ethanolic extract of seeds of B. laciniosa Linn. and its saponin fraction in streptozotocin-induced diabetic rats. The ethanolic extract (250 and 500 mg/kg; p.o.) and saponin fraction (100 and 200 mg/kg; p.o.) were administered to diabetic rats and standard drug insulin (5 IU/kg; i.p.) to the group serving as a positive control. Effects of the ethanolic extract and saponin fraction on various biochemical parameters were studied in diabetic rats. Data were statistically analysed by one-way ANOVA followed by Dunnett's t-test. Oral administration of the ethanolic extract and saponin fraction for 28 days to streptozotocin-induced diabetes rats significantly (P < 0.05) decreased the levels of blood glucose and improved the levels of plasma insulin. The levels of triglycerides, cholesterol, high density lipoprotein, low density lipoprotein, very low density lipoprotein, aspartate amino transferase and alanine amino transferase, urea, and creatinine were markedly altered in streptozotocin-induced diabetic rats. Oral administration of the ethanolic extract and saponin fraction restored all these biochemical parameters to near control levels. This study reveals the efficacy of B. laciniosa seed extract and its saponin fraction in the amelioration of diabetes and its associated complications.
Keywords: Bryonia laciniosa, oral glucose tolerance test, saponins
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