The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
EDTA-Enhanced Phytoremediation of Heavy Metals: A Review
Abstract
The increase in heavy metal terrestrial ecosystems’ contamination through anthropogenic activities is a widespread and serious global problem due to their various environmental and human implications. For these reasons, several techniques, including phytoremediation of heavy metals, have been extensively studied. In spite of significant recent advancement, ethylene diamine tetraacetic acid (EDTA)-enhanced heavy metal phytoextraction as well as related ecological risks are still topical and remain an important area of research. In fact, EDTA favors the solubilization of metals and metalloids in soils, and was therefore extensively studied during the last two decades in order to improve phytoextraction efficiency and reduce treatment duration. This review highlights the recent findings (2010–2012) and mechanisms behind EDTA-enhanced (1) solubilization of heavy metals in soil, (2) mobilization/transport of soluble metals towards plant root zone, and (3) metal absorption by plant roots and translocation towards aerial parts. The review also presents potential risks associated with EDTA-enhanced phytoextraction: (1) environmental persistence of EDTA and/or metal-EDTA complex; (2) potential toxicity of EDTA and/or metal-EDTA complex to plants; and (3) leaching and contamination of groundwater. Moreover, field-scale cost of EDTA-enhanced remediation and the role of EDTA in time required for heavy metal remediation is discussed.
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In the citing paper
“Metal translocation into the plant's shoot may be limited due to obstruction of the casparian strip, accumulation in plasma membranes, deposition in intercellular spaces, deposition of insoluble salts, or fixation in root vacuoles and nodule cells47.”
From Chelate facilitated phytoextraction of Pb, Cd, and Zn from a lead–zinc mine contaminated soil by three accumulator plants (2023) · cites this paper as [47]
In the citing paper
“Arshad et al.46 and Shahid et al.47 reported that EDTA separated Pb from mineral and organic substances in soil, increasing its availability.”
From Chelate facilitated phytoextraction of Pb, Cd, and Zn from a lead–zinc mine contaminated soil by three accumulator plants (2023) · cites this paper as Shahid et al. [47]
In the citing paper
“Using the EDTA chelating agent and as a result of the formation of metal-EDTA complexes, all the routes of entry of metals into the root, such as mass flow, absorption on the root, and binding to functional groups on the root surface, are affected32,47,49.”
From Chelate facilitated phytoextraction of Pb, Cd, and Zn from a lead–zinc mine contaminated soil by three accumulator plants (2023) · cites this paper as [47]
In the citing paper
“Similarly, low EDTA levels in Sedum hybridum had minimal impact, likely due to reduced free ionic metal stress via chelation46, highlighting the threshold effect of chelator concentration.”
From Synergistic modulation of antioxidant enzymes by citric acid and EDTA to enhance lead tolerance and phytoextraction efficiency in harmel (2025) · cites this paper as [46]
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Citations
Cites
Role of organic amendments on enhanced bioremediation of heavy metal (loid) contaminated soils
Park, J. H., Lamb, D., Paneerselvam, P., Choppala, G., Bolan, N., & Chung, J.-W. (2011) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2010.09.082 · Cited by 936
Evangelou, M. W. H., Ebel, M., & Schaeffer, A. (2007) · Chemosphere · doi:10.1016/j.chemosphere.2007.01.062 · Cited by 632
Phytoextraction of Pb and Cu Contaminated Soil With Maize and Microencapsulated EDTA
Xie, Z., Wu, L., Chen, N., Liu, C., Zheng, Y., Xu, S., Li, F., & Xu, Y. (2012) · International Journal of Phytoremediation · doi:10.1080/15226510903390452 · Cited by 29 · cited 1×
“EDTA is known as the best chelator to enhance metal mobilization in soils (Xie et al., 2012).”
Background
Cited by
A comparison of technologies for remediation of heavy metal contaminated soils
Khalid, S., Shahid, M., Niazi, N. K., Murtaza, B., Bibi, I., & Dumat, C. (2017) · Journal of Geochemical Exploration · doi:10.1016/j.gexplo.2016.11.021 · Cited by 1,356
Self-citationA critical review on bioremediation technologies for Cr(VI)-contaminated soils and wastewater
Xia, S., Song, Z., Jeyakumar, P., Shaheen, S. M., Rinklebe, J., Ok, Y. S., Bolan, N., & Wang, H. (2019) · Critical Reviews in Environmental Science and Technology · doi:10.1080/10643389.2018.1564526 · Cited by 490
Wakeel, A., Xu, M., & Gan, Y. (2020) · International Journal of Molecular Sciences · doi:10.3390/ijms21030728 · Cited by 299
Zinc in soil-plant-human system: A data-analysis review
Natasha, N., Shahid, M., Bibi, I., Iqbal, J., Khalid, S., Murtaza, B., Bakhat, H. F., Farooq, A. B. U., Amjad, M., Hammad, H. M., et al. (2022) · Science of The Total Environment · doi:10.1016/j.scitotenv.2021.152024 · Cited by 226
Self-citationHosseinniaee, S., Jafari, M., Tavili, A., Zare, S., & Cappai, G. (2023) · Scientific Reports · doi:10.1038/s41598-023-48666-5 · Cited by 22
Metadata
- Authors
- Shahid, M., Austruy, A., Echevarria, G., Arshad, M., Sanaullah, M., Aslam, M., Nadeem, M., Nasim, W., & Dumat, C.
- Venue
- Soil and Sediment Contamination: An International Journal
- Publisher
- Informa UK Limited
- Published
- 2013-12-16
- Volume
- 23
- Issue
- 4
- Pages
- 389-416
- ISSN
- 1532-0383 (ISSN-L)
- 1549-7887
- OpenAlex
- W1980618479
- Cited by
- 244
- References
- 3
- FWCI
- 7.34
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: EDTA-Enhanced Phytoremediation of Heavy Metals: A Review. https://app.cochat.ai/papers/10.1080/15320383.2014.831029
- The paper
- Shahid, M., Austruy, A., Echevarria, G., Arshad, M., Sanaullah, M., Aslam, M., Nadeem, M., Nasim, W., & Dumat, C. (2014). EDTA-Enhanced Phytoremediation of Heavy Metals: A Review. Soil and Sediment Contamination: An International Journal. https://doi.org/10.1080/15320383.2014.831029
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
