Mar 29, 2020

Acute toxicity of Leaf extracts of Enydra fluctuans Lour in Zebrafish (Danio rerio Hamilton)

BioRxiv : the Preprint Server for Biology
Jamey KainBenjamin de Bivort


The present study was focused on the concentration dependent changes in oral acute toxicity of leaf extracts of E. fluctuans in zebrafish. The study was also aimed at the details of histopathological changes in gill, liver, brain and intestine of zebrafish exposed to the leaf extracts of the plant E. fluctuans. Enydra fluctuans Lour is an edible semi-aquatic herbaceous plant used widely for the alleviation of the different diseases. Since there were no toxicity studies conducted on this plant the present study was an attempt to look into the elements of toxicity of the plants. Two types of experiments are conducted in the present study. First, the acute oral toxicity study was conducted as per the OECD guidelines 203. Second, histopathological changes were observed in the fishes exposed to the lethal concentrations of plant extract. The oral acute toxicity studies conducted on Zebrafish have revealed that the leave extracts of E. fluctuans were toxic to the tested fish at the concentration of 200 mg/kg body weight. The histopathological studies conducted on intestine of treated fishes showed that treatment has induced rupturing of villi structure and fusion of villi membrane and detachment of villi structure from basal membrane...Continue Reading

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