Advances in exopolysaccharides based bioremediation of heavy metals in soil and water: A critical review

Carbohydrate Polymers
Kranthi Raj KOnkar Nath Tiwari

Abstract

Extracellular polysaccharides or Exopolysaccharides (EPS) are extensively studied bacterial byproducts with high molecular weight attributed to several applications. In spite of their application in the field of food, pharmaceutical, nutraceutical, herbicidal and cosmeceutical industries they were well known for their efficiency in the bioremediation of water and soil tainted with heavy metals. These heavy metals are comparatively high in density than water and are involved in several biological processes. But slight increase in levels can create toxicological bias. The techniques like electrodialysis, chemical precipitation, ion exchange and membrane separation have a lot of disadvantages akin to high energy consumption, high cost, partial exclusion, and creation of poisonous mire. In this context, EPS has a top role to play in the bioremediation of heavy metals. This review gives the critical assessment of the extensive work done to deal this issue by different groups in the last five years. It also explains how different natural circumstances have attributed to the advancement of EPS production, thereby increasing the capacity of bioremediation to deal the issue of heavy metal contamination in both soil and water. A detailed...Continue Reading

Citations

Jun 19, 2019·Journal of Applied Microbiology·T KowalkowskiB Buszewski
Sep 8, 2019·Environmental Science and Pollution Research International·Mervat H HusseinMuhammad Rizwan
Nov 7, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Katarzyna ZłotkoAndrzej Bieganowski
Apr 20, 2019·Environmental Science and Pollution Research International·Shalini Singh, Vipin Kumar
Dec 23, 2020·The Science of the Total Environment·Jinyu CuiWeiwen Zhang
Dec 6, 2019·Carbohydrate Research·Monic Andrew, Gurunathan Jayaraman
Jun 27, 2021·Bioresource Technology·Longzao LuoBinghua Yan
Sep 8, 2021·Frontiers in Microbiology·Aparna BanerjeeRajesh K Sani
Jan 21, 2022·The Science of the Total Environment·Bronislava Lalinská-VolekováPeter Šottník

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