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Heavy Metal Index

Monitoring Heavy Metal Contamination in the Pineapple (Ananas comosus) Cultivated tracts of Kerala, India

Overview

This study measured Pb, Ni, Cd, and Fe in pineapple cultivated soil, reference soil, roots, leaves, and fruits from Kerala, India.

Key numbers

Source units are mg/kg.

  • Pineapple fruit: Pb below detectable limit; Ni 3; Cd 4; Fe 145.6.
  • Pineapple roots: Pb 8; Ni 6; Cd 20.5; Fe 204.
  • Pineapple leaves: Pb 2; Ni 4.4; Cd 13.8; Fe 184.97.
  • Cultivated soil: Pb 39.73; Ni 10.42; Cd 62.33; Fe 25168.
  • Reference soil: Pb 4; Ni 1.26; Cd 10; Fe 11356.
  • Fruit bioconcentration factors reported in the abstract: Pb 0, Ni 0.2879, Cd 0.0641.

Methods

The study estimated Pb, Ni, Cd, and Fe using atomic absorption spectrophotometry and calculated transfer, enrichment, contamination, and geoaccumulation indices.

Implications

The fruit values are routeable for pineapple ingredient context, while root, leaf, and soil values are context-only for plant uptake and field contamination.

Update history

No substantive edit history is available in this build. The full commit record is available in git.