Abstract
Arsenic, the metal pollutant found naturally in groundwater and unnaturally in mine waste sites and agricultural runoff, has been considered toxic to humans for several millennia. Fishes, which are rich sources of a healthy diet, are endangered by hazardous contaminants in water, like arsenic, which are transferred through food chain. In the present work the effect of different concentrations of sodium arsenite on lipid metabolism in Heteropneustes fossilis, and the chelating effect of synthetic zeolite was studied from liver. Fishes were exposed to two different concentrations of sodium arsenite (200ml and 400ml of 1% solution), for 3 different durations (3days, 7days and 15 days). The concentrations of total Cholesterol, HDL, LDL and triglyceride was found significantly increased (P<0.05) along with increasing concentration and duration of sodium arsenite. The toxic effect was found recovered after application of synthetic zeolite for all parameters. The results suggest that, zeolite is a potential compound for decreasing significantly the load of toxicity of arsenic in aquatic fauna.
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