Publication: Bioconcentration efficiency of Lemna minor L. and Lemna gibba L. for trace metals in three southeastern Bulgarian water reservoirs
Authors
Velichkova, Katya Naneva
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Publisher
Universidad de Murcia
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DOI
http://dx.doi.org/10.6018/analesbio.41.02
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info:eu-repo/semantics/article
Description
Abstract
Eficiencia de bioconcentration de Lemna minor L. and Lemna
gibba L. para metales traza en tres embalses del sureste de
Bulgaria
La lenteja de agua se utiliza en el tratamiento de aguas residuales
para eliminar sustancias nocivas, minerales y contaminación orgá-
nica. El propósito del presente estudio fue investigar la eficiencia
de bioconcentración de metales pesados en Lemna minor y Lemna
gibba provenientes de tres embalses del sureste de Bulgaria: el
canal de la ciudad de Elhovo, el canal del lago Vaja y el canal del
lago Mandra. Se analizaron los contenidos de proteína cruda, lípidos
y ceniza en las especies estudiadas de Lemna. Los metales
pesados en agua y plantas acuáticas se determinaron con un
espectrómetro de absorción atómica (AAS) "A Analyst 800" -
Perkin Elmer. Las concentraciones de metales en L. minor y L. gibba
mostraron una tendencia descendente: Mn>Fe>Zn>Cu>Ni>
Cr>Pb>Cd en las tres masas de agua.
Abstract: Duckweed is used in wastewater treatment to remove inorganic substances, mineral and organic contamination. The purpose of present study was to investigate a Lemna minor and Lemna gibba bioconcentration efficiency of trace metals in three southeast Bulgarian water reservoirs. Three waterbodies located on the territory of South East Bulgaria: water canal town Elhovo, water canal Vaja Lake and water canal Mandra Lake was studied. Crude protein, lipid, ash content in studied species of Lemna were analyzed. The trace metal content in water and aquatic plants was determined on an atomic absorption spectrometer (AAS) "A Analyst 800" - Perkin Elmer. The concentrations of metals in both L. minor and L. gibba and for all sites showed a downward trend: Mn>Fe> Zn>Cu>Ni>Cr>Pb>Cd.
Abstract: Duckweed is used in wastewater treatment to remove inorganic substances, mineral and organic contamination. The purpose of present study was to investigate a Lemna minor and Lemna gibba bioconcentration efficiency of trace metals in three southeast Bulgarian water reservoirs. Three waterbodies located on the territory of South East Bulgaria: water canal town Elhovo, water canal Vaja Lake and water canal Mandra Lake was studied. Crude protein, lipid, ash content in studied species of Lemna were analyzed. The trace metal content in water and aquatic plants was determined on an atomic absorption spectrometer (AAS) "A Analyst 800" - Perkin Elmer. The concentrations of metals in both L. minor and L. gibba and for all sites showed a downward trend: Mn>Fe> Zn>Cu>Ni>Cr>Pb>Cd.
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Citation
Anales de Biología, vol. 41, (2019)
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