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Year : 2015  |  Volume : 36  |  Issue : 3  |  Page : 329-334

Comparative toxicity profiles of Plumbago zeylanica L. root petroleum ether, acetone and hydroalcoholic extracts in Wistar rats

1 Regional Medical Research Centre (ICMR), Belgaum, India
2 Department of Pharmacology, USM-KLE, Belgaum, Karnataka, India
3 IPRD-05, Evalueserve SEZ (Gurgaon) Pvt. Ltd., Gurgaon, New Delhi, India

Correspondence Address:
Harsha V Hegde
Regional Medical Research Centre (ICMR), Belgaum - 590 010, Karnataka
Vinod Nair
IPR Division-05, Evalueserve SEZ (Gurgaon) Pvt. Ltd., Gurgaon - 122 001, Haryana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-8520.182750

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Introduction: The root of Plumbago zeylanica Linn. is used in traditional medicine for the treatment of chronic inflammatory diseases and various disorders. The toxicity of this plant has not yet been extensively evaluated. Aim: To evaluate and compare the toxicity of P. zeylanica root petroleum ether (PZPE), acetone (PZAC), and the hydroalcoholic (PZHY) extracts. Materials and Methods: The acute and sub-acute toxicities of extracts were evaluated according to OECD guidelines 425 and 407, respectively in female rats. Results: PZPE was more toxic than PZAC and PZHA, based on LD50 values of 93.45, 928.4, and 928.4 mg/kg, respectively. This potency difference directly correlates with the plumbagin content of extracts. With regard to sub-acute toxicity, a significant increase in organ weights (liver, adrenal glands, and/or heart) was observed in PZPE and PZAC treated groups. All extracts produced a significant increase in serum aspartate aminotransferase and urea, and PZAC produced a significant increase in serum creatinine as compared to control. A decrease in hematocrit was observed in the highest dose PZPE group, and a decrease in leukocytes was observed in all PZAC groups. Hepatic and renal changes were observed in all extract treated groups. Conclusion: The findings of our study, thus demonstrate that liver and kidney are the primary organs being adversely affected following sub-acute administration of P. zeylanica root extract in rats.

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