30Jul 2017

QUALITATIVE ASSESSMENT OF THE FATTY ACID COMPOSITION OF EDIBLE SEAWEEDS FROM COASTAL AREAS OF MANILA BAY AND ROXAS CITY, PHILIPPINES.

  • Chemistry Department, De La Salle University-Manila, 2401 Taft Ave. Manila 1004, Philippines.
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This study aimed to come up with a qualitative profile of the fatty acid composition of some of the most abundant seaweeds in the Philippines. Lipid extraction on the freeze-dried samples was done using a modified version of Bligh & Dyer. The lipid extracts were derivatized into fatty acid methyl esters using based-catalyzedtransesterification via methanolic potassium hydroxide solution and analyzed using gas chromatography mass spectrometry. Results revealed the presence of the following omega-3 fatty acids: linoleic, eicosatrienoic, and eicosapentaenoic. In addition polyunsaturated omega-6 and monosaunsaturated C18 fatty acids (oleic and eladic acid) have also been detected. This investigation has demonstrated the potential of edible seaweed as a significant source of omega-3 and other essential fatty acids.


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[Nancy Lazaro-Llanos and Sean Mikhail B. Dalawampu. (2017); QUALITATIVE ASSESSMENT OF THE FATTY ACID COMPOSITION OF EDIBLE SEAWEEDS FROM COASTAL AREAS OF MANILA BAY AND ROXAS CITY, PHILIPPINES. Int. J. of Adv. Res. 5 (Jul). 2416-2420] (ISSN 2320-5407). www.journalijar.com


Nancy Lazaro-Llanos
Chemistry Department, De La Salle University-Manila, 2401 Taft Ave. Manila 1004, Philippines

DOI:


Article DOI: 10.21474/IJAR01/4988      
DOI URL: https://dx.doi.org/10.21474/IJAR01/4988