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Fatty acid composition of the catfish -1: Heterobranchus longifillis (Pisces: clariidae and Chyrsichthys nigrodigitatus (Pisces: Bagridae) reared in tropical fresh waters OceanDocs
Omuaru, V.; Idoniboye-Obu, T.I.E..
The relationship of the fatty acid composition of the three developmental stages (fingerling, juvenile and adult) of Heterobranchus longifilis (Pisces: Clariidae) and Chrysichthys nigrodigitatus (Pisces: Bagridae) have been evaluated by gas liquid chromatography (Glc) on polyethylene glycol-2-nitroterephthalic ester (PEGNTE). Results indicated that adults of these fishes, accumulated linolenic acid (C18:3w3) above dietary levels atthe fingerling stage which was remarkably depleted in the adult fishes. Its essentiality in their nutrition and metabolism is thus suggested. In the metabolic tumover,.C18:3w3, is utilized to build up the store of eicosapentaenoic acid (C20:5w3), inHeterobranchus longifillis while the store of eicosapentaenoic acis (C20:5w3),...
Tipo: Journal Contribution Palavras-chave: Palmitic acid; Docosatetraenoic acid; Gas liquid chromatography; Eicosapentaenoic acid; Oleic acid; Polyethylene glycol-2-nitroterephthalic ester; Linolenic acid; Arachidonic acid; Fish species.
Ano: 1998 URL: http://hdl.handle.net/1834/646
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Fatty composition of the developmental stage of some pond reared fresh water fishes in the oil palm belt of Nigeria. OceanDocs
Ayinla, O.A.; Idoniboye-Obu, T.I.E.; Omuaru, V.; Vehlow, U..
The fatty acid composition of the development stages (fingerling, juvenile and adult) of some pond raised fresh water fishes (Heterobranchus bidorsalis, ‘hybrid’ of H. bidorsalis and C. gariepinus, Chrysichtys nigrodigitatus, Heterotis niloticus and Oreochromis niloticus) were determined by gas liquid chromatography (GLC). Fatty acids abundant in the stages of these fishes are palm tic acid (C16:0), Oleic acid (C18:1) and Linolenic acid (C18:3w3) . Highly unsaturated fatty acid (HUFA) such as C20:4w6, C20:2w3 and C22:4w6 acids were present in small quantity. The common features of freshwater fish is evidently displayed namely the enrichment in linolenic (18:2w6) and / or linolenic (18:3w3) fatty acids. However the presence of high proportions of...
Tipo: Report Palavras-chave: Aquaculture development.
Ano: 1993 URL: http://hdl.handle.net/1834/2216
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