@article{article_387279, title={ANALYSIS OF MERCURY (HG) IN FOUR HOLOTHURIANS SPECIES (PHYLUM-ECHINODERMATA) FROM KARACHI COAST-NORTHERN ARABIAN SEA}, journal={Aquatic Research}, volume={1}, pages={55–63}, year={2018}, DOI={10.3153/AR18007}, url={https://izlik.org/JA88HP94XP}, author={Ahmed, Quratulan and Bat, Levent and Alı, Qadeer Mohammad}, keywords={Mercury,Buleji,Sunehri,Karachi coast,Estimated Weekly Intakes,Estimated Daily Intakes,Northern Arabian Sea,Holothuroids,Northern Arabian Sea}, abstract={<p class="MsoNormal" style="margin-top:6pt;margin-right:28.95pt;margin-bottom:3pt;margin-left:14.2pt;text-align:justify;"> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb">Nowadays metal bioaccumulation in holothuroids is increasing and is a
cause of worry owing to toxicity. In the present study the concentrations of
mercury (Hg) were measured in holothuroids ( </span> <i> <span lang="la" style="font-size:10pt;" xml:lang="la">Holothuria </span> </i> <span lang="la" style="font-size:10pt;" xml:lang="la">( <i>Thymiosycia </i>) <i> arenicola </i>Semper, 1868 </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb">, </span> <i> <span lang="la" style="font-size:10pt;" xml:lang="la">Holothuria </span> </i> <span lang="la" style="font-size:10pt;" xml:lang="la">( <i>Lessonothuria </i>) <i> pardalis </i>Selenka, 1867 </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb">, </span> <i> <span lang="la" style="font-size:10pt;" xml:lang="la">Holothuria </span> </i> <span lang="la" style="font-size:10pt;" xml:lang="la">( <i>Lessonothuria </i>) <i> verrucosa </i>Selenka, 1867 </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb"> and </span> <i> <span lang="la" style="font-size:10pt;" xml:lang="la">Holothuria </span> </i> <span lang="la" style="font-size:10pt;" xml:lang="la">( <i>Halodeima </i>) <i>atra </i>Jaeger, 1833 </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb">) </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb">collected during different
seasons (pre-monsoon, monsoon, and post-monsoon) in 2015 at </span> <span lang="la" style="font-size:10pt;" xml:lang="la">Buleji </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb"> and </span> <span lang="la" style="font-size:10pt;" xml:lang="la">Sunehri </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb"> coasts of Karachi, Pakistan. Hg
concentrations of tentacles were higher than those in muscle, tentacle and gut
tissues of the pre-monsoon, monsoon and post-monsoon. The lowest Hg
concentrations were found in muscle tissues at all seasons in Buleji and Sunehri
coasts. The mean levels in the muscle tissues were 0.018 mg/kg dry wt.
for </span> <i> <span lang="la" style="font-size:10pt;" xml:lang="la">H </span> </i> <i> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb">. a </span> </i> <i> <span lang="la" style="font-size:10pt;" xml:lang="la">renicola </span> </i> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb">, 0.024
mg/kg dry wt. for </span> <i> <span lang="la" style="font-size:10pt;" xml:lang="la">H. verrucosa </span> </i> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb">, 0.026 mg/kg dry wt. for </span> <i> <span lang="la" style="font-size:10pt;" xml:lang="la"> H. pardalis </span> </i> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb"> and 0.036 mg/kg dry wt. for </span> <i> <span lang="la" style="font-size:10pt;" xml:lang="la"> H. Atra </span> </i> <span lang="la" style="font-size:10pt;" xml:lang="la">. </span> <span lang="la" style="font-size:10pt;" xml:lang="la"> </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb">The results indicate
that according to the European Union legislation the Hg amounts in all tissues
of holothurians is much lower than permitted levels.
In terms of Estimated Weekly Intakes, this current work also proved that there
was no likely health hazard to consumers on account of intake of sea cucumbers
under the current consumption rate in </span> <span lang="la" style="font-size:10pt;" xml:lang="la">Buleji </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb"> and </span> <span lang="la" style="font-size:10pt;" xml:lang="la">Sunehri </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb"> coasts of Karachi, Arabian
Sea. </span> <span lang="en-gb" style="font-size:10pt;" xml:lang="en-gb"> </span> </p> <p> </p> <p> </p>}, number={2}