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1.
Indian J Exp Biol ; 2013 Sept; 51(9): 702-708
Article in English | IMSEAR | ID: sea-149373

ABSTRACT

The present study was undertaken to evaluate the antidiabetic and antihyperlipidemic activities of Allopolyherbal formulation (APHF) consisting of combinations of three well known medicinal plants used in traditional medicines (Trigonella foenum graceum, Momordica charantia, Aegle marmelos) and synthetic oral hypoglycaemic drug (Glipizide-GL). The optimized combination of lyophilized hydro-alcoholic extracts of drugs was 2:2:1 using OGTT model. The optimized PHF was simultaneously administered with GL and optimized using OGTT model in diabetic rats and further studied in STZ-induced diabetic rats for 21 days. The results (serum glucose level, lipid profile, hepatic enzymes and body weight) were compared with the standard drug GL (10 mg/kg body wt). The optimized APHF (500+5 mg/kg body wt) has shown significant antihyperglycemic and antihyperlipidemic activities. The results were comparable with the standard; even better than the GL (10 mg/kg body wt) alone. The proposed hypothesis has reduced the no. of drug components from eight to three and dose almost 50 % of both PHF and GL which fulfil the FDA requirements for export. Thus the developed APHF will be an ideal alternative for the existing hypoglycemic formulations in the market with an additional advantage of hypolipidemic effect and minimizing the cardiovascular risk factors associated with diabetes.


Subject(s)
Animals , Diabetes Mellitus, Experimental/complications , Diabetes Mellitus, Experimental/drug therapy , Glucose Tolerance Test , Herbal Medicine , Hyperlipidemias/complications , Hyperlipidemias/drug therapy , Hypoglycemic Agents/therapeutic use , Hypolipidemic Agents/therapeutic use , Rats , Streptozocin
2.
Indian J Exp Biol ; 2011 Jan; 49(1): 39-43
Article in English | IMSEAR | ID: sea-145094

ABSTRACT

Methanolic extract of Jasminum mesnyi Hance leaves having antidiabetic activity was subjected to fractionation to obtain antioxidant and antihyperglycemic rich fraction. Different concentrations of ethyl acetate and n-butanol fractions were subjected to antioxidant assay by DPPH method, nitric oxide scavenging activity and reducing power assay. The fractions showed dose dependent free radical scavenging property in all the models. IC50 values for ethyl acetate and n-butanol fractions were 153.45±6.65 and 6.22±0.25 g/ml, respectively, as compared to L-ascorbic acid and rutin (as standards; IC50 values 6.54±0.24 and 5.43±0.21 g/ml, respectively) in DPPH model. In nitric oxide scavenging activity, IC50 values were 141.54±9.95 g/ml, 35.12±1.58 g/ml, 21.06±0.95 g/ml and 29.93±0.32 g/ml for ethyl acetate, n-butanol fractions, L-ascorbic acid and rutin, respectively. n-Butanol fraction showed a good reducing potential and better free radical scavenging activity as compared to ethyl acetate fraction. Potent antioxidant n-butanol fraction showed better oral glucose tolerance test (antihyperglycemic) at par with metformin (standard drug). n-Butanol fraction contained secoiridoid glycosides which might be responsible for both antioxidant and antihyperglycemic activity.

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