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<p>The aim of this study was to describe and compare the fatty acid (FA) profiles of hepatic tissue in farmed and wild channel catfish (<i>Ictalurus punctatus</i>, Rafinesque, 1818). Thirty-four liver samples were collected from farmed and wild channel catfish. After FA samples were extracted, their fatty acid profiles were obtained by gas chromatography with a flame ionization detector (GC-FID). The analysis revealed that monounsaturated FAs were present at higher concentrations in farmed organisms (161.45&#xa0;mg/100&#xa0;g) than in wild organisms (46.87&#xa0;mg/100&#xa0;g). While the most abundant FA group in wild organisms was saturated FAs (58.48&#xa0;mg/100&#xa0;g), farmed catfish had higher levels (73.22&#xa0;mg/100&#xa0;g). The farmed organisms also presented a higher total concentration of FA (296.03&#xa0;mg/100&#xa0;g), which is double the mean obtained in wild channel catfish (131.89&#xa0;mg/100&#xa0;g). Nonsignificant differences were found in the polyunsaturated, omega-3 and omega-6 quantities, yet a suggestive difference was found for EPA. Our findings suggest that the fatty acid content in the liver is notably different between wild and farm origins. The differences identified in this study were attributed to differential feeding patterns in the analyzed populations of farmed and wild channel catfish.</p>

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Fatty acid profile in hepatic tissue of farmed and wild channel catfish (Ictalurus punctatus)

  • 期刊论文

  • 发表日期：

    2025年12月20日

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  • Leilany Margarita Esparza-Acebo,
  • Adriana Leticia Perales-Torres,
  • Xochitl Fabiola De la Rosa-Reyna,
  • Guadalupe Concepción Rodríguez-Castillejos,
  • Aldo Vega Esquivel,
  • Isidro Otoniel Montelongo-Alfaro,
  • Flaviano Benavides-González,
  • Gaspar Manuel Parra-Bracamonte

摘要

The aim of this study was to describe and compare the fatty acid (FA) profiles of hepatic tissue in farmed and wild channel catfish (Ictalurus punctatus, Rafinesque, 1818). Thirty-four liver samples were collected from farmed and wild channel catfish. After FA samples were extracted, their fatty acid profiles were obtained by gas chromatography with a flame ionization detector (GC-FID). The analysis revealed that monounsaturated FAs were present at higher concentrations in farmed organisms (161.45 mg/100 g) than in wild organisms (46.87 mg/100 g). While the most abundant FA group in wild organisms was saturated FAs (58.48 mg/100 g), farmed catfish had higher levels (73.22 mg/100 g). The farmed organisms also presented a higher total concentration of FA (296.03 mg/100 g), which is double the mean obtained in wild channel catfish (131.89 mg/100 g). Nonsignificant differences were found in the polyunsaturated, omega-3 and omega-6 quantities, yet a suggestive difference was found for EPA. Our findings suggest that the fatty acid content in the liver is notably different between wild and farm origins. The differences identified in this study were attributed to differential feeding patterns in the analyzed populations of farmed and wild channel catfish.