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NUTRITIVE COMPOSITION OF RED TILAPIA REARED IN FRESHWATER AND BRACKISHWATER (Indonesian Aquaculture Journal Vol.7 No.1, 2012)



The aim of this research was to investigate the nutritive composition (especially fatty acids) in red tilapia that was reared in freshwater and brackishwater. The fatty acid contents were determined by gas chromatography. The fatty acids profile were -3 (linolenic acid, eicosapentaenoic acid/EPA, docosahexaenoic acid/DHA), -6 (linoleic acid, arachidonic acid/AA), and -9 (oleic acid). Red tilapia samples were obtained from Research Institute for Fish Breeding, Sukamandi, West Java (freshwater ponds) and Congot, Yogyakarta (brackishwater ponds; salinity 20 ppt). In this research, red tilapia reared in different ecosystems showed different fatty acid profiles. Red tilapia inhabiting brackishwater ecosystem has EPA (0.26±0.05%), DHA (3.42±0.26%), and linoleic acid (17.20±0.56%) content higher than freshwater ecosystem (EPA = 0%; DHA = 0.67±0.44%; linoleic acid = 9.08±4.76%), except for linolenic acid (0.30±0.15% vs 0.25±0.10%), arachidonic acid (0.77±0.39% vs 0.93±0.13%) and oleic acid (38.67±2.58% vs 37.44±0.74%). The ratio of -6/-3 in red tilapia inhabiting freshwater ecosystem was about 11/1. The culture tilapia in brackishwater ecosystem decrease -6/-3 ratio (4.5:1). So that for human health, it will be better to consume brackishwater red tilapia than freshwater red tilapia.


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B1801317Koleksi DigitalArchivelago Indonesia Marine Library - Perpustakaan Kementerian Kelautan dan PerikananAvailable

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Series Title
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Call Number
Koleksi Digital
Publisher KKP-Badan Penelitian dan Pengembangan Kelautan dan Perikanan : 2012.,
Collation
19-27 hlm.
Language
Indonesia
ISBN/ISSN
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Classification
NONE
Content Type
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Media Type
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Carrier Type
-
Edition
Vol.7 No.1, 2012
Subject(s)
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