Assessing Essential Trace Elements in Cave Nectar Bat (Eonycteris spelaea): A Study in Barak Valley of Assam, India

Biological Trace Element Research
Anisur RahmanNazimur Rahman Talukdar

Abstract

This study investigated trace elements in the different organs of Eonycteris spelaea, a hill cave from the Bhuban Hills of Sonai Reserve Forest, Cachar, Assam (India). Six bats were collected from the site and concentrations of four trace elements (Cu, Zn, Fe, and Mn) were examined from the tissues of liver, lungs, kidney, and patagium using graphite furnace atomic absorption spectrometer (graphite furnace model-Analytic Jena Vario-6). The results of the study revealed that concentration of essential trace elements in the body tissues of E. spelaea were less than the maximum permissible limit. During the study, it was found that the concentration of copper in all the four organs are of the following order: liver (3 ± 0.11 μg/g dw) > lungs (2.4 ± 0.14 μg/g dw) > kidney (1.8 ± 0.10 μg/g dw) > patagium (1.8 ± 0.06 μg/g dw). For zinc, this sequence was kidney (61.8 ± 0.32 μg/g dw) > liver (61.2 ± 0.14 μg/g dw) > lungs (58.8 ± 0.19 μg/g dw) > patagium (46.8 ± 0.16 μg/g dw). For manganese, kidney (1.2 ± 0.15 μg/g dw) > lungs (0.6 ± 0.13 μg/g dw) > liver (0.6 ± 0.11 μg/g dw) > patagium (0.6 ± 0.10 μg/g), and for iron, it was liver (98.4 ± 0.22 μg/g) > lungs (78.6 ± 0.47 μg/g dw) > kidney (25.8 ± 0.23 μg/g dw) > patagium (16.2 ± 0.26 μ...Continue Reading

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BETA
chemical treatment

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