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Profiling of Heavy Metals in ‘Kawakawa’ (Euthynus affinis) and Seawater and Bottom Sediments in Sarangani Coastline, Mindanao, Philippines

Banwa Supplements

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Title Profiling of Heavy Metals in ‘Kawakawa’ (Euthynus affinis) and Seawater and Bottom Sediments in Sarangani Coastline, Mindanao, Philippines
 
Creator Dacera, Dominica dM.; University of the Philippines Mindanao
Rivero, Gilda C.; University of the Philippines Diliman
Camino, Fritzie A.; University of the Philippines Mindanao
Buagas, Richard John C.; University of the Philippines Mindanao
 
Description Heavy metals have the ability to accumulate in the human body and disrupt functions of some vital organs. These metals can find their way into humans by consumption of metal-contaminated fish. In this study, the presence of heavy metals was assessed in muscle tissues of ‘kawakawa’ tuna (Euthynnus affinis) from General Santos City Fish Port (GSCFP) and in Kiamba fish landing site, as well as seawater and bottom sediments along Sarangani coastline. The heavy metals cadmium (Cd) and lead (Pb) were analyzed using atomic absorption spectrophotometry; while for mercury (Hg) cold vapor atomic absorption spectrophotometry was used. Results revealed that heavy metals in the three ‘kawakawa’ samples from GSCFP had Hg concentration ranging from 0.045 to 0.108 mg.kg-1 which were below the limit set by the United States Food and Drug Administration. This implies that in general, the tuna samples do not pose a serious threat to the health of the consumers. Sediments obtained from Sarangani coastline showed presence of Pb at 62.27 mg.kg-1 which is below the 128 mg.kg-1 limit. Assessment of the pollution status of the study area revealed that the bottom sediments can be classified as unpolluted to moderately polluted from all levels of Cd, Pb, and Hg, which implies minimal heavy metal exposure of tuna species in the area. To ensure that no further contamination of seawater and bottom sediments occurs, possible sources of heavy metals such as the industries, should be regulated by implementing more stringent effluent standards.
 
Publisher BANWA Supplements
 
Contributor —
 
Date 2015-11-03
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
—
 
Format application/pdf
 
Identifier http://ojs.upmin.edu.ph/index.php/supplements/article/view/93
 
Source BANWA Supplements; No 1A (2015): ICAEM 2015
1656-3719
 
Language eng
 
Relation http://ojs.upmin.edu.ph/index.php/supplements/article/view/93/107
http://ojs.upmin.edu.ph/index.php/supplements/article/view/93/221
 
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