Department of Environmental Science, Mizoram University, Aizawl 796004, India.
Department of Environmental Engineering, Yonsei University, Wonju 26493, Republic of Korea.
Environ Int. 2019 Apr;125:365-385. doi: 10.1016/j.envint.2019.01.067. Epub 2019 Feb 8.
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.
食品安全在质和量上都是可持续全球发展的重中之重。近几十年来，意想不到的污染物对作物质量的不良影响威胁到了粮食安全和人类健康。重金属和类金属（如汞、砷、铅、镉和铬）会干扰人类的代谢组学，导致发病率甚至死亡率上升。因此，本综述重点关注并描述了土壤-食物作物子系统中与人类健康风险有关的重金属污染情况。它还探讨了重金属在这些子系统中可能的地理途径。进一步深入讨论了粮食作物内部金属污染物吸收过程中涉及的生理/分子转运机制。最后，提出了管理策略，以恢复土壤-食物子系统的可持续性。
