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Environ Int. 2019 Apr;125:365-385. doi: 10.1016/j.envint.2019.01.067. Epub 2019 Feb 8.

Heavy metals in food crops: Health risks, fate, mechanisms, and management.

Author information

1
Department of Environmental Science, Mizoram University, Aizawl 796004, India.
2
Department of Environmental Engineering, Yonsei University, Wonju 26493, Republic of Korea.
3
Department of Environmental Engineering, China Jiliang University, Hangzhou 310018, China.
4
Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, New Territories, Hong Kong.
5
Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea. Electronic address: kkim61@hanyang.ac.kr.

Abstract

Food security is a high-priority issue for sustainable global development both quantitatively and qualitatively. In recent decades, adverse effects of unexpected contaminants on crop quality have threatened both food security and human health. Heavy metals and metalloids (e.g., Hg, As, Pb, Cd, and Cr) can disturb human metabolomics, contributing to morbidity and even mortality. Therefore, this review focuses on and describes heavy metal contamination in soil-food crop subsystems with respect to human health risks. It also explores the possible geographical pathways of heavy metals in such subsystems. In-depth discussion is further offered on physiological/molecular translocation mechanisms involved in the uptake of metallic contaminants inside food crops. Finally, management strategies are proposed to regain sustainability in soil-food subsystems.

KEYWORDS:

Eco-remediation; Health risks; Heavy metals; Nanoparticles; Vegetables; Wastewater

PMID:
30743144
DOI:
10.1016/j.envint.2019.01.067
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