Contamination Status of Water, Fish and Vegetable Samples Collected from a Heavy Industrial Area and Possible Health Risk Assessment

Yeasmin N. Jolly*, Ahsanul Kabir, Akter Shirin and A.M. Sarwaruddin Chowdhury

Contamination Status of Water, Fish and Vegetable Samples Collected from a Heavy Industrial Area and Possible Health Risk Assessment.

Heavy metal contamination in aquatic environment is a critical concern, due to toxicity of metal and their accumulation in aquatic habitats. Heavy metals, in contrast to most pollutants,
are not biodegradable and they undergo a global ecological cycle in which natural waters are the main pathways. A large part of the heavy metal input ultimately accumulates in the estuarine zone
and continental shelf, since these areas are important sinks for suspended marine and associated land-derived contaminants.

Food safety is a major public concern worldwide especially in a country like Bangladesh where population is a great problem. The increasing demands for food and food safety have drawn the special attention of researchers to the risks associated with consumption of contaminated foodstuffs i.e. pesticides and heavy metals. Heavy metal contamination is a major problem of
the environment as they are one of the major contaminating agent of the food supply.

This problem is receiving more and more attention all over the world, in general and in developing countries in particular. Among the heavy metals some are toxic such as Cd, Pb, Cr, Hg, As, etc. and some are essential such as Fe, Zn, Mn, Cu, Ni, Co, Si, etc. The biological half-lives of these heavy metals are non -biodegradable and thermo-degradable and thus their accumulation readily reaches to the toxic levels. They have the potential to accumulate in different body organs and thus produce unwanted side effects.

Adv Food Technol Nutr Sci Open J. 2019; 5(2): 73-83. doi: 10.17140/AFTNSOJ-5-159

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