Liver toxicity of Crude extract of Ficus natalensis traditionally used in South Western Uganda

Esther N Maina, Helen W Kinyi, Dominic O Ochwang’i, Amos M Meroka, Wycliffe C Wanyonyi

Abstract


Background: Traditional healers have used medicinal plants to treat infectious diseases since time immemorial. These natural products have not only played a vital role in healing, but have also contributed to the discovery of many pharmaceutically active agents.

Objectives: This research was aimed at assessing the effects of crude extract of Ficus natalensis on the liver.

Methodology: Test and control Wistar albino rats were fed on either Water or Ethanolic extract of Ficus natalensis and water-only (control) respectively and their serum harvested. Biochemical analysis of liver function tests was performed and Human Diagnostic Test Kits were used to assay for the enzymes ALT (alanine aminotransferase), (AST (serum aspartate aminotransferase) and γ-GT (gamma glutamyl transpeptidase).The organ body weight ratio was also recorded.

Results: The cold water decoction once administered to the rats showed adverse effects leading to death of the experimental animals by day 3. The ethanolic extract results showed that there was a dose-dependent alteration in the indices of liver function as well as enlargement of the liver following feeding on the ethanolic extract of Ficus natalensis. All the serum enzyme activity of ALT, AST and GGT were increased in a dose-dependent manner and the groups of animals being fed on the ethanolic extract, showed a reduction in weight.

Discussion: The cold water extraction might have extracted all the active ingredients including some that were toxic to the laboratory animals leading to their death. The ethanolic extracts exhibited alterations in the indices of liver function as well as enlargement of the liver in a dose-specific manner. All the serum enzyme activity of ALT, AST and GGT was increased in a dose-dependent manner. This could possibly be due to hepatotoxicity resulting from the metabolites of the Ficus natalensis.

Key words: Ficus natalensis, Ethanolic extract, Liver toxicity


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