Fatty acid composition of the catfish -1: Heterobranchus longifillis (Pisces: clariidae and Chyrsichthys nigrodigitatus (Pisces: Bagridae) reared in tropical fresh waters
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), arachidonic acid (C20:4w6), anddecosatetraenoic acid (C22:4w6) were improved in Chrysichthys nigrodigitatus. Both catfishes also improved their store of palmitic acid (C16:0, Oleic acid (C18:1w9), and linoleic acid(C18:2w6). Ratios of fatty acids obtained were those which ascribed dominant role to C16 fatty acid, and furtherdeemphasized the role of w6 fatty acids in the metabolism of these catfishes.
Main Authors: | , |
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Format: | Journal Contribution biblioteca |
Language: | English |
Published: |
African Academy of Sciences (AAS) / Third World Academy of Sciences (TWAS)
1998
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Subjects: | Palmitic acid, Docosatetraenoic acid, Gas liquid chromatography, Eicosapentaenoic acid, Oleic acid, Polyethylene glycol-2-nitroterephthalic ester, Linolenic acid, Arachidonic acid, Fish species, |
Online Access: | http://hdl.handle.net/1834/646 |
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dig-aquadocs-1834-6462021-05-19T06:14:30Z Fatty acid composition of the catfish -1: Heterobranchus longifillis (Pisces: clariidae and Chyrsichthys nigrodigitatus (Pisces: Bagridae) reared in tropical fresh waters Omuaru, V. Idoniboye-Obu, T.I.E. Palmitic acid Docosatetraenoic acid Gas liquid chromatography Eicosapentaenoic acid Oleic acid Polyethylene glycol-2-nitroterephthalic ester Linolenic acid Arachidonic acid Fish species 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), arachidonic acid (C20:4w6), anddecosatetraenoic acid (C22:4w6) were improved in Chrysichthys nigrodigitatus. Both catfishes also improved their store of palmitic acid (C16:0, Oleic acid (C18:1w9), and linoleic acid(C18:2w6). Ratios of fatty acids obtained were those which ascribed dominant role to C16 fatty acid, and furtherdeemphasized the role of w6 fatty acids in the metabolism of these catfishes. Published 2005-08-10T07:40:59Z 2005-08-10T07:40:59Z 1998 Journal Contribution Non-Refereed Article Discovery and innovation, 10 (3/4), p. 233-239. http://hdl.handle.net/1834/646 en 447938 bytes application/pdf African Academy of Sciences (AAS) / Third World Academy of Sciences (TWAS) |
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Palmitic acid Docosatetraenoic acid Gas liquid chromatography Eicosapentaenoic acid Oleic acid Polyethylene glycol-2-nitroterephthalic ester Linolenic acid Arachidonic acid Fish species Palmitic acid Docosatetraenoic acid Gas liquid chromatography Eicosapentaenoic acid Oleic acid Polyethylene glycol-2-nitroterephthalic ester Linolenic acid Arachidonic acid Fish species |
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Palmitic acid Docosatetraenoic acid Gas liquid chromatography Eicosapentaenoic acid Oleic acid Polyethylene glycol-2-nitroterephthalic ester Linolenic acid Arachidonic acid Fish species Palmitic acid Docosatetraenoic acid Gas liquid chromatography Eicosapentaenoic acid Oleic acid Polyethylene glycol-2-nitroterephthalic ester Linolenic acid Arachidonic acid Fish species Omuaru, V. Idoniboye-Obu, T.I.E. Fatty acid composition of the catfish -1: Heterobranchus longifillis (Pisces: clariidae and Chyrsichthys nigrodigitatus (Pisces: Bagridae) reared in tropical fresh waters |
description |
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), arachidonic acid (C20:4w6), anddecosatetraenoic acid (C22:4w6) were improved in Chrysichthys nigrodigitatus.
Both catfishes also improved their store of palmitic acid (C16:0, Oleic acid (C18:1w9), and linoleic acid(C18:2w6). Ratios of fatty acids obtained were those which ascribed dominant role to C16 fatty acid, and furtherdeemphasized the role of w6 fatty acids in the metabolism of these catfishes. |
format |
Journal Contribution |
topic_facet |
Palmitic acid Docosatetraenoic acid Gas liquid chromatography Eicosapentaenoic acid Oleic acid Polyethylene glycol-2-nitroterephthalic ester Linolenic acid Arachidonic acid Fish species |
author |
Omuaru, V. Idoniboye-Obu, T.I.E. |
author_facet |
Omuaru, V. Idoniboye-Obu, T.I.E. |
author_sort |
Omuaru, V. |
title |
Fatty acid composition of the catfish -1: Heterobranchus longifillis (Pisces: clariidae and Chyrsichthys nigrodigitatus (Pisces: Bagridae) reared in tropical fresh waters |
title_short |
Fatty acid composition of the catfish -1: Heterobranchus longifillis (Pisces: clariidae and Chyrsichthys nigrodigitatus (Pisces: Bagridae) reared in tropical fresh waters |
title_full |
Fatty acid composition of the catfish -1: Heterobranchus longifillis (Pisces: clariidae and Chyrsichthys nigrodigitatus (Pisces: Bagridae) reared in tropical fresh waters |
title_fullStr |
Fatty acid composition of the catfish -1: Heterobranchus longifillis (Pisces: clariidae and Chyrsichthys nigrodigitatus (Pisces: Bagridae) reared in tropical fresh waters |
title_full_unstemmed |
Fatty acid composition of the catfish -1: Heterobranchus longifillis (Pisces: clariidae and Chyrsichthys nigrodigitatus (Pisces: Bagridae) reared in tropical fresh waters |
title_sort |
fatty acid composition of the catfish -1: heterobranchus longifillis (pisces: clariidae and chyrsichthys nigrodigitatus (pisces: bagridae) reared in tropical fresh waters |
publisher |
African Academy of Sciences (AAS) / Third World Academy of Sciences (TWAS) |
publishDate |
1998 |
url |
http://hdl.handle.net/1834/646 |
work_keys_str_mv |
AT omuaruv fattyacidcompositionofthecatfish1heterobranchuslongifillispiscesclariidaeandchyrsichthysnigrodigitatuspiscesbagridaerearedintropicalfreshwaters AT idoniboyeobutie fattyacidcompositionofthecatfish1heterobranchuslongifillispiscesclariidaeandchyrsichthysnigrodigitatuspiscesbagridaerearedintropicalfreshwaters |
_version_ |
1756074988792709120 |