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J Pharm Bioallied Sci. 2010 Jan;2(1):18-21. doi: 10.4103/0975-7406.62700.

Antidiabetic activity of Crateva nurvala stem bark extracts in alloxan-induced diabetic rats.

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  • 1Department of Pharmacognosy and Phytochemistry, K. L. E. S. College of Pharmacy, Ankola 581 314, Uttar Kannada, Karnataka, India.

Abstract

OBJECTIVES:

The aim of this study was to investigate the antidiabetic activity of Crateva nurvala stem bark (family: Capparidaceae) extracts in alloxan-induced diabetic albino rats. A comparison was made between the action of different extracts of C. nurvala and a known antidiabetic drug glibenclamide (600 μg/kg b. wt.). An oral glucose tolerance test (OGTT) was also performed in diabetic rats.

MATERIALS AND METHODS:

The petroleum ether, chloroform, alcohol, and aqueous extracts of C. nurvala stem bark were obtained by simple maceration method and were subjected to standardization by following pharmacognostical and phytochemical screening methods. Dose selection was made on the basis of acute oral toxicity study (50-5000 mg/kg b. wt.) as per Organization for Economic Co-operation and Development (OECD) guidelines.

RESULTS AND CONCLUSIONS:

C. nurvala petroleum ether extract (CNPEE) and ethanolic extract (CNEE) showed significant (P< 0.001) antidiabetic activities. In alloxan-induced model, blood glucose level of these extracts on seventh day of study were CNPEE (126.33±13.703 mg/dl) and CNEE (126.66±13.012 mg/dl) when compared with diabetic control (413.50±4.752 mg/dl) and chloroform extract (320.83±13.516 mg/dl). In OGGT model (glucose loaded rats), CNPEE showed a glucose level of 178.83±3.070 mg/dl after 30 min and 131.66±2.486 mg/dl after 90 min, whereas CNEE showed 173.66±4.224 mg/dl after 30 min and 115.50±3.394 mg/dl after 90 min. These extracts also prevented body weight loss in diabetic rats. The drug has the potential to act as an antidiabetic drug.

KEYWORDS:

Alloxan; Crateva nurvala; acute toxicity; antidiabetic activity; phytochemical

PMID:
21814425
[PubMed]
PMCID:
PMC3146085
Free PMC Article

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