Métodos de extracción, refinación y concentración de aceite de pescado como fuente de ácidos grasos omega-3

Jeimmy Rocío Bonilla
José Luis Hoyos Concha

El aceite de pescado es un producto industrial de alto valor nutricional por su contenido de ácidos grasos poliinsaturados (AGPI) Omega-3, actualmente valorados por su efectos benéficos en la salud. Estudios y avances realizados desde el año 2000 en la extracción de aceite de pescado de diversas especies, su refinación y concentración de AGPI, son revisados en este artículo. Las técnicas de extracción van desde tecnologías convencionales como prensado húmedo y extracción por solventes, hasta tecnologías propuestas más recientemente como fluidos supercríticos y ensilaje de pescado. Así mismo, la refinación es realizada por métodos tradicionales, sin embargo existen nuevas tecnologías con potencial para su aplicación en aceite de pescado. Por otro lado, el interés en la concentración de AGPI Omega-3 ha crecido y varias técnicas han sido propuestas como winterización, métodos enzimáticos, fraccionamiento por fluidos supercríticos, complejación con urea, fraccionamiento por métodos cromatográficos y concentración por membranas. La información recopilada indica una tendencia a combinar diferentes tecnologías convencionales y emergentes a fin de mejorar los rendimientos y pureza del producto obtenido.

Bonilla, J., & Hoyos Concha, J. (2018). Métodos de extracción, refinación y concentración de aceite de pescado como fuente de ácidos grasos omega-3. Corpoica Ciencia Y Tecnología Agropecuaria, 19(3). https://doi.org/10.21930/rcta.vol19_num2_art:684

Jeimmy Rocío Bonilla, Universidad del Cauca

Ingeniera Agroindustrial, Magister en Diseño y Gestión de Procesos, investigadora en Grupo de investigación ASUBAGROIN de la Facultad de Ciencias Agrarias de la Universidad del Cauca

José Luis Hoyos Concha, Universidad del Cauca

Docente titular en Universidad del Cauca. Magister en Ingeniería de Alimentos, Especialista en Biotecnología. Director del grupo de investigación ASUBAGROIN
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Ácidos grasos poliinsaturados, lípidos, purificación, fraccionamiento, ácido eicosapentaenóico, ácido docosahexaenóico

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