Preprint Article Version 1 This version is not peer-reviewed

Acute and Sub-acute Toxicity Profile of Methanol Leaf Extract of Geophila obvallata on Renal and Hepatic Indices in Wistar Rats

Version 1 : Received: 9 April 2020 / Approved: 13 April 2020 / Online: 13 April 2020 (11:38:46 CEST)

How to cite: Iserhienrhien, L.; Okolie, N.P. Acute and Sub-acute Toxicity Profile of Methanol Leaf Extract of Geophila obvallata on Renal and Hepatic Indices in Wistar Rats. Preprints 2020, 2020040212 (doi: 10.20944/preprints202004.0212.v1). Iserhienrhien, L.; Okolie, N.P. Acute and Sub-acute Toxicity Profile of Methanol Leaf Extract of Geophila obvallata on Renal and Hepatic Indices in Wistar Rats. Preprints 2020, 2020040212 (doi: 10.20944/preprints202004.0212.v1).

Abstract

The study evaluates the toxic effects of acute and sub-acute oral administration of methanol extracts of Geophila obvallata in rats. During acute study, a dose of 1600, 2900 and 5000 mg/kg bw of extract was orally administered to rats. Rats were observed for signs of toxicity for two weeks. During sub-acute study (28 days), the extract, at doses of 100, 500 and 1000 mg/kg bw were administered orally to rats while control rats were given only tap water. At the end of the study, samples were collected for analyses. In acute toxicity studies, the extract did not induce death after single dose administration. Hence, the LD50 was estimated above 5000mg/kg. The results of sub-acute toxicity study show that no significant changes were observed in the body weights, organ weights, kidney function and organ histology. There were significant changes in hematology and biochemical indices investigated at elevated doses of 500 and 1000 mg/kg bw compared to the control. GOE may be considered non-toxic at a dose of 100 mg/kg with promising applications in drug therapy.

Subject Areas

Geophila obvallata; toxicity; Sub-acute; Drug therapy

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