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Lookup NU author(s): Dr Abdul ChaudhryORCiD, Professor Naureen Qureshi
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Bioaccumulation of heavy metals and analysis of mineral element alongside proximate composition were studied in tissues of freshwater mussels (Anodonta anatina) exposed to various doses of Pb, Cu and Cr in water. The concentrations of all the studied heavy metals in soft tissues of the mussels increased as the metal doses were increased from 0 to 360 mu g/L of water. The highest concentration of Cu was observed in the gills of mussels at the highest dose (360 mu g/L), whereas the lowest concentration was observed in the Cr-exposed mussels at lower dose (120 mu g/L). Amongst mineral elements, Ca was found to be the most abundant element in all tissues. The maximum Ca (156,906 +/- 736 mg/kg) was observed in the gills. The abundance order of the other mineral elements was P > Mn > Na > K > Zn. Proximate analysis showed that the protein (15.45 +/- 1.13 %), fat (0.97 +/- 0.10 %) and moisture (77.78 +/- 1.20 %) contents were significantly higher in the foot, whereas the carbohydrate (15.15 +/- 1.30 %) and ash (10.55 +/- 1.11 %) contents were higher in the mantle and gills, respectively. It was found that the low-dose exposure of Pb and Cu and the high-dose exposure of Cr caused higher protein content in the foot. It appears that freshwater mussels (Anodonta anatina) are an essential tool for biomonitoring studies. However, specific evaluation of mussel tissues was more effective than using the whole animal in these studies.
Author(s): Sohail M, Khan MN, Chaudhry AS, Qureshi NA
Publication type: Article
Publication status: Published
Journal: Rendiconti Lincei
Year: 2016
Volume: 27
Issue: 4
Pages: 687-696
Print publication date: 01/12/2016
Online publication date: 06/07/2016
Acceptance date: 23/06/2016
ISSN (print): 2037-4631
ISSN (electronic): 1720-0776
Publisher: Springer
URL: http://dx.doi.org/10.1007/s12210-016-0551-5
DOI: 10.1007/s12210-016-0551-5
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