alexa Comparison Of Heavy Metal Levels In The Fish Oil Obtained From The Janitor Fish (Pterygoplichthys Disjunctivus) From Marikina River And Laguna De Bay Using Atomic Absorption Spectrometry
ISSN: 2161-0444

Medicinal Chemistry
Open Access

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6th World Congress on Medicinal Chemistry and Drug Design
June 07-08, 2017 Milan, Italy

A R Lapuz, Guan A N, Ambay R V and Mendoza J D
Adamson University, Philippines
Posters & Accepted Abstracts: Med Chem (Los Angeles)
DOI: 10.4172/2161-0444-C1-031
Abstract
The study aimed to compare the heavy metal levels in the fish oil obtained from Pterygoplichthys disjunctivus of Marikina River and Laguna de Bay. The oil was extracted using wet reduction method yielding 200 ml of the sample and underwent digestion process prior to heavy metal analysis using aqua regia and perchloric acid. The diluted sample was heated in a water bath at 60ÂșC for three hours until a light-colored or clear solution was obtained. The result of the heavy metal analysis using atomic absorption spectrometry proved that the fish oil from Laguna de Bay contains less heavy metals concentration than of Marikina River. Three heavy metals namely cadmium, copper, and lead were below the detection limit which means that their concentrations in the fish oil were too low to cause toxicity if ingested. Lead has a concentration of -0.61333 ppm (Marikina) and -0.55111 ppm (Laguna), implies that its amount passed the standard limit established by the DENR and US EPA. Nevertheless, chromium with a concentration of 7.22569 ppm (Marikina) and 2.28298 ppm (Laguna) was the only metal that exceeded the maximum value of heavy metals that could produce a toxic effect. Findings and results of test analysis of this study conducted in the fish oil of P. disjunctivus could provide information as to which source of fish oil has a low concentration of heavy metals. Thus, it was proved that P. disjunctivus oil from Laguna de Bay could be an alternative source of fish oil.
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