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Determination of Bio-accumulated Cadmium, Chromium, Copper, Nickel and Lead in some common Vegetables and Quantification of Consumer Health Risk due to their long term dietary consumption

Author Affiliations

  • 1Department of Chemistry, Govt. Degree College, Bakhha Khera, Unnao, U.P., India

Res.J.chem.sci., Volume 13, Issue (3), Pages 9-15, October,18 (2023)

Abstract

Due to the ability of bio-accumulation, several plants selectively accumulate heavy metals in their edible parts via the soil-plants transfer mechanism. Regular intake of such metal contaminated vegetables as dietary component; heavy metals are deposited in human organs, sometimes beyond their safe limits that may initiate various human health implications. This study was undertaken to estimate the human health risk on regular consumption of five common vegetables- potato, onion, bottle gourd, pumpkin and spinach for long by the inhabitants of Rishikesh municipal area, Dehradun. The levels of studied metals in selected vegetable samples were determined on Atomic Absorption Spectrophotometer. Based on these observed levels of metals, “the daily intake of metals” for the studied vegetables was computed. Finally, the health consequences of regular consumption of vegetables under study for long were quantified in terms of the consumer health risk index (HRI). The overall order of levels of tested metals in vegetables was: lead > chromium > copper > nickel >cadmium. The order of daily intake of metals (DIM) on regular consumption of studied vegetables was: spinach (1.828) > bottle gourd (1.747) > pumpkin (1.607) > potato (1.556) > onion (1.543). The human health risk index (HRI) was evaluated as - Pb (123.3-179.6) > Cd (80.75- 144.5) > Ni (9.14- 12.54) > Cu (4.57- 7.12) > Cr (0.252 - 0.405).

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