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Hazardous heavy metals contamination of vegetables and food chain: Role of sustainable remediation approaches-A review.

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Title Hazardous heavy metals contamination of vegetables and food chain: Role of sustainable remediation approaches-A review.
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Creator Kumar, S., Prasad, S., Yadav, K.K., Shrivastava, M., Gupta, N., Nagar, S., Bach, Q.V., Kamyab, H., Khan, S.A., Yadav, S. and Malav, L.C.
 
Subject Bioaccumulation, Biotechnology, Nanotechnology,Toxicity, Transgenic approach.
 
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This review emphasizes the role of toxic metal remediation approaches due to their broad sustainability and applicability. The rapid developmental processes can incorporate a large quantity of hazardous and unseen heavy metals in all the segments of the environment, including soil, water, air and plants. The released hazardous heavy metals (HHMs) entered into the food chain and biomagnified into living beings via food and vegetable consumption and originate potentially health-threatening effects. The physical and chemical remediation approaches are restricted and localized and, mainly applied to wastewater and soils and not the plant. The nanotechnological, biotechnological and genetical approaches required to more rectification and sustainability. A cellular, molecular and nano-level understanding of the pathways and reactions are responsible for potentially toxic metals (TMs) accumulation. These approaches can enable the development of crop varieties with highly reduced concentrations of TMs in their consumable foods and vegetables. As a critical analysis by authors observed that nanoparticles could provide very high adaptability for both in-situ and ex-situ remediation of hazardous heavy metals (HHMs) in the environment. These methods could be used for the improvement of the inbuilt genetic potential and phytoremediation ability of plants by developing transgenic. These biological processes involve the transfer of gene of interest, which plays a role in hazardous metal uptake, transport, stabilization, inactivation and accumulation to increased host tolerance. This review identified that use of nanoremediation and combined biotechnological and, transgenic could help to enhance phytoremediation efficiency in a sustainable way.
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Date 2020-05-16T07:30:25Z
2020-05-16T07:30:25Z
2019-12-01
 
Type Research Paper
 
Identifier Kumar, S., Prasad, S., Yadav, K.K., Shrivastava, M., Gupta, N., Nagar, S., Bach, Q.V., Kamyab, H., Khan, S.A., Yadav, S. and Malav, L.C. (2019). Hazardous heavy metals contamination of vegetables and food chain: Role of sustainable remediation approaches-A review. Environmental research, p.108792. https://doi.org/10.1016/j.envres.2019.108792.
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http://krishi.icar.gov.in/jspui/handle/123456789/35717
 
Language English
 
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