The potential of medicinal plant extracts in improving the phytoremediation capacity of Solanum nigrum L. for heavy metal contaminated soil.

Ecotoxicology and Environmental Safety
Ran HanShuhe Wei

Abstract

This study focused on the effects of eight medicinal plant extracts on Solanum nigrum L. potential to accumulate Cd and Pb from soil. These medicinal plants were common and relatively cheap. The eight 10% water extracts were made from the peel of Citrus reticulata Blanco (PCR), fruit of Phyllanthus emblica L. (FPE), root of Pueraria Lobata (Willd.) Ohwi (RPL), rhizome of Polygonatum sibiricum Red (RPS), root of Astragalus propinquus Schischkin (RAP), bud of Hemerocallis citrina Baroni (BHC), seed of Nelumbo nucifera Gaertn (SNN) and fruit of Prunus mume (Sieb.) Sieb.etZuce (FPM). The results showed that among all exposures, the treatment with FPE resulted in the significant increase (p < 0.05) of Cd and Pb concentration in shoots and roots of S. nigrum by 32.5% and 65.2% for Cd, and 38.7% and 39.6% for Pb. The biomasses of S. nigrum in all plant extract treatments were not significantly changed (p < 0.05) compared to the control (CK). The Cd and Pb extraction rates of S. nigrum in FPE treatment were increased respectively by 60.5% and 40.5% compared to CK. Though the treatment with EDTA significantly improved (p < 0.05) the concentration of Cd and Pb of S. nigrum, the Cd and Pb masses (ug plant-1) of S. nigrum did not show any ...Continue Reading

References

Jul 15, 2005·Journal of Separation Science·Alegria Carrasco-PancorboAlberto Fernandez-Gutiérrez
Jun 12, 2009·Journal of Hazardous Materials·Shuhe WeiYunmeng Li
May 30, 2017·Ecotoxicology and Environmental Safety·Muhammad Zia Ur RehmanMaqsooda Waqar
Jul 12, 2019·International Journal of Phytoremediation·Youzheng NingTingqiang Li
Jan 10, 2020·Environmental Science and Pollution Research International·Huiping DaiLidia Skuza
Mar 21, 2020·Ecotoxicology and Environmental Safety·Reda A I Abou-ShanabMichael J Sadowsky

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