Potential health risk caused by heavy metal associated with seafood consumption around coastal area

Pandion, Kumar; Khalith, S.B Mohamed; Ravindran, Balasubramani; Chandrasekaran, Murugesan; Rajagopal, Rajakrishnan; Alfarhan, Ahmed; Chang, Soon Woong; Ayyamperumal, Ramamoorthy; Mukherjee, Amitava; Arunachalam, Kantha Deivi

Potential health risk caused by heavy metal associated with seafood consumption around coastal area

2022

The current study investigated seasonal fluctuations in diversity of fish and heavy metal concentrations in coastal areas, as well as the possible human health risks associated by the heavy metals (Mercury, Lead, Chromium, Cadmium, Copper and Zinc). From five different locations across the coastal area, 44 finfish species from 11 orders and 33 families were collected. Four finfish species such as Mugil cephalus, Lates calcarifer, Etroplus suratensis, and Chanos chanos were used to estimate and assess the heavy metal concentrations based on abundance and distribution across coastal area. Results revealed that the metal concentration in these fish species, water, and sediment were all found to be significantly comparable. During the southwest monsoon season, the highest concentrations of metals were found in Chanos chanos, Mugil cephalus, and Lates calcarifer. A hazard index and a target hazard quotient were calculated to determine the human-related health risk. Except for Hg and Cd in children, the anthropological health hazard assessment revealed that most element exposure doses are safe for both children and adults.

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