2015
DOI: 10.1007/s11356-015-4881-0
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The uptake and bioaccumulation of heavy metals by food plants, their effects on plants nutrients, and associated health risk: a review

Abstract: Heavy metal contamination is a globally recognized environmental issue, threatening human life very seriously. Increasing population and high demand for food resulted in release of various contaminants into environment that finally contaminate the food chain. Edible plants are the major source of diet, and their contamination with toxic metals may result in catastrophic health hazards. Heavy metals affect the human health directly and/or indirectly; one of the indirect effects is the change in plant nutritiona… Show more

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Cited by 746 publications
(367 citation statements)
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References 345 publications
(298 reference statements)
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“…Plants absorb heavy metals and other contaminants from a contaminated environment; however, because plants are unable to metabolize these compounds, bioaccumulation occurs Michalak, 2006). Given that plants are one of the primary food sources for humans, heavy metal exposure through plants accounts for 90% of total metal intake, with only 10% occurring via dermal contact or inhalation (Khan et al, 2015).…”
Section: Discussionmentioning
confidence: 99%
“…Plants absorb heavy metals and other contaminants from a contaminated environment; however, because plants are unable to metabolize these compounds, bioaccumulation occurs Michalak, 2006). Given that plants are one of the primary food sources for humans, heavy metal exposure through plants accounts for 90% of total metal intake, with only 10% occurring via dermal contact or inhalation (Khan et al, 2015).…”
Section: Discussionmentioning
confidence: 99%
“…Generally, different plant species showed a variation in metal accumulation and uptake. This may be due to different concentrations of the metals in soil, pH, soil organic matter [9], age of plant, and plant physiology.…”
Section: Heavy Metal Concentrations In Plantsmentioning
confidence: 99%
“…Bioavailability, bio-accumulation and translocation of metallic components in ecosystem are attaining great importance of study throughout the world [9]. Phytoremediation is a green technology and bioremediation by plants can be better option to remove toxicants from the polluted environment because plants have the ability to detoxify poisonous elements and to grow in degraded ecosystem.…”
Section: Introductionmentioning
confidence: 99%
“…Heavy metals may affect cellular oxidation state, lipid peroxidation, breaking of DNA strands, protein expression and folding, degradation in proteasome, protein interactions, cell cycle and apoptosis; they are persistent and toxic, and they accumulate through the food chain (17,(23)(24)(25).…”
mentioning
confidence: 99%