IJFANS International Journal of Food and Nutritional Sciences

ISSN PRINT 2319 1775 Online 2320-7876

INVESTIGATION OF HEAVY METALS DISTRIBUTION IN DIFFERENT TILOPIA FISH TISSUES FROM PECHIPARAI WATER RESERVIOR, KANYAKUMARI DISTRICT AND ASSESSMENT OF BIOACCUMULATION PATTERNING OF LEAD (PB) IN TILOPIA FISH

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Sunitha.R, Dr. DeleepPackiaRaj.D

Abstract

Environmental pollution is the unintentional alteration of the physical, chemical, and biological properties of the soil, water, and air that causes harm to living things. A heavy metal is defined as an element with an extremely high atomic weight and a density that is five times larger than that of water. Environmental chemists have concentrated their efforts most heavily on heavy metals because of their high level of toxicity, making them among the pollutants that are most harmful to the environment. Heavy metals are frequently present in trace amounts in natural streams, but many of them are toxic even at very low concentrations.The bioaccumulation of heavy metals endangers human health. Heavy metals such as mercury, lead, cadmium, cobalt, nickel, and others may prevent the growth of blood cells. The liver, kidneys, circulatory system, and transmission of nerve impulses can all suffer from heavy metal accumulation. Many malignancies may occur as a result of exposure to certain heavy metals. Calcium may be replaced by lead in the body, which can result in birth abnormalities and brain damage. Mercury is harmful to humans, especially when it takes the form of methylmercury. Heavy metals have a substantial impact on the generation of reactive oxygen species (ROS), which in aquatic animals eventually lead to tissue damage and the oxidation of biomolecules.

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