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dc.contributor.authorSuloma, Ashraf
dc.contributor.authorOgata, Hiroshi Y.
dc.contributor.authorGaribay, Esteban S.
dc.contributor.authorChavez, Denny R.
dc.contributor.authorEl-Haroun, Ehab
dc.contributor.editorElghobashy, H.
dc.contributor.editorFitzsimmons, Kevin
dc.contributor.editorDiab, A. S.
dc.coverage.spatialBinangonanen
dc.coverage.spatialRizalen
dc.coverage.spatialPhilippinesen
dc.date.accessioned2023-08-10T08:22:30Z
dc.date.available2023-08-10T08:22:30Z
dc.date.issued2008
dc.identifier.urihttp://hdl.handle.net/10862/6463
dc.description.abstractSix tropical freshwater species were collected from Philippines in order to study the characteristic of polyunsaturated fatty acids distributions. 16:0 and 18: l n-9 were the predominant saturated fatty acid (SFA) and monounsaturated fatty acid (MUFA) in both neutral lipids (NL) and polar lipids (PL). There was an absence or very low values of n3 highly unsaturated fatty acid (HUFA) in NL of all species. However these fatty acids found in PL of all species studied with higher levels. The high proportions of docosahexaenoic acid (DHA) in PL were found with catfish Arius (20.71%), ayungin (17.64%), and snakehead (17.09%) whereas anabas (4.21%) gave lower DHA content. In PL, arachidonic acids (ARA) was found in high proportions, and also is superior to eicosapentaenoic acid (EPA) (ranged from 3.35 to 10.67% and from 0.42 to 4.74%, respectively). Tilapia lipid appears to be intermediate in nutritional quality between all species studied; the proportions of DHA, EPA and ARA in PL were 16.27%, 4.52% and 9.36%, respectively. According to the n-3/n-6 ratio in both fractions, only ayungin is in the range typical of freshwater fish. Our results indicate that the wild tropical freshwater fish studied here are not good sources of n-3 HUFA fatty acids. Therefore, aquatic nutritionists and farmers should combine their efforts in order to manipulate the nutritional quality of these species to enhance their n-3 HUFAs concentrations especially when these species are reared in captivity system. The wash-out strategy may provide an adequate description of the changes in the fillet lipid fatty acid profiles of fatty fish.en
dc.language.isoenen
dc.publisherAquaFish Collaborative Research Support Programen
dc.relation.urihttps://ag.arizona.edu/azaqua/ista/ISTA8/FinalPapers/11%20Nutrition/PDF/17%20El-Haroun.pdfen
dc.subjectOreochromis niloticusen
dc.subjectChanna striatusen
dc.subjectAnabas testudineusen
dc.subjectClarias gariepinusen
dc.subjectAriusen
dc.subjecttilapiaen
dc.subjectdocosahexaenoic aciden
dc.subjecteicosapentaenoic aciden
dc.titleFatty acid composition of Nile tilapia Orechromis niloticus muscles: A comparative study with commercially important tropical freshwater fish in Philippinesen
dc.typeConference paperen
dc.citation.spage921en
dc.citation.epage932en
dc.citation.conferenceTitleProceedings of 8th International Symposium on Tilapia in Aquaculture, Cairo, Egypt, 12-14 Oct 2008en
dc.subject.asfatilapia cultureen
dc.subject.asfafatty acidsen
dc.subject.asfafreshwater fishesen
dc.subject.asfalipidsen
dc.subject.scientificNameOreochromis niloticusen
dc.subject.scientificNameChanna striatusen
dc.subject.scientificNameAnabas testudineusen
dc.subject.scientificNameLeiopotherapon plumbeusen
dc.subject.scientificNameClarias gariepinusen
dc.subject.scientificNameArius argyropleuronen
local.subjectTropical freshwater fishen
local.subjectPolar lipidsen
local.subjectNeutral lipidsen
local.subjectdocosahexaenoic aciden
local.subjecteicosapentaeoic aciden
local.subjectArachidonic aciden


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