Lipids from Marine Sources

Morales, Ramón; Muñío, María del Mar; Pérez‐Gálvez, Raúl

doi:10.1201/b14944-8

Cited by 2 publications

(3 citation statements)

References 108 publications

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“…El uso de solventes orgánicos es común en el proceso de hibernación, con el fin de incrementar la velocidad de transferencia de masa y la cristalización de fracciones de ácidos grasos saturados, a partir de un aceite disuelto en un solvente apropiado (López-Martínez, Campra-Madrid, & Guil-Guerrero, 2004;Morales, Muñío, Pérez, Guadix, & Guadix, 2013). Esta metodología ha sido una de las principales técnicas desarrolladas para la concentración de AGPI omega-3 a partir de triacilgliceroles en forma natural (Lei et al, 2016).…”

Section: Transformación Y Agroindustriaunclassified

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

Bonilla

Concha

2018

CTA

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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.

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Section: Transformación Y Agroindustriaunclassified

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

Bonilla

Concha

2018

CTA

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“…Polyunsaturated fatty acids (PUFAs) have been extensively reported in the literature as being beneficial to human health. − In particular, omega-3 (ω-3) or highly unsaturated fatty acids (HUFAs) are believed to play an important role in the prevention of certain health problems such as diabetes, allergies, and some types of cancers, as well as having antithrombotic, antiarrhythmic, and anti-inflammatory effects . Fishery processing byproducts have been recognized as an important potential source of ω-3 fatty acids, which could be used in the production of ω-3-rich lipids.…”

Section: Introductionmentioning

confidence: 99%

“…1−3 In particular, omega-3 (ω-3) or highly unsaturated fatty acids (HUFAs) are believed to play an important role in the prevention of certain health problems such as diabetes, allergies, and some types of cancers, as well as having antithrombotic, antiarrhythmic, and anti-inflammatory effects. 4 Fishery processing byproducts have been recognized as an important potential source of ω-3 fatty acids, which could be used in the production of ω-3-rich lipids. According to a previous investigation by Tsvetnenko et al, 5 one major source of PUFAs in the Australian rock lobster (Panulirus cygnus) is the hepatopancreas (liver), but this inedible part is usually removed during processing and discarded.…”

Section: ■ Introductionmentioning

confidence: 99%

Significant Enrichment of Polyunsaturated Fatty Acids (PUFAs) in the Lipids Extracted by Supercritical CO₂ from the Livers of Australian Rock Lobsters (Jasus edwardsii)

Nguyễn

Zhang²,

Barber³

et al. 2015

J. Agric. Food Chem.

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Australian rock lobster (Jasus edwardsii) liver contains approximately 24.3% (w/w) lipids, which can contain a high amount of polyunsaturated fatty acids (PUFAs). However, this material has been found to be contaminated with arsenic (240 mg/kg) and cadmium (8 mg/kg). The high level of contaminants in the raw material and the large amount of PUFAs in the lipids prove a significant challenge in the extraction of high-quality lipids from this byproduct by conventional methods. Supercritical carbon dioxide (SC-CO2) extraction is a highly promising technology for lipid extraction with advantages including low contamination and low oxidation. The technique was optimized to achieve nearly 94% extraction of lipids relative to conventional Soxhlet extraction in Australian rock lobster liver at conditions of 35 MPa and 50 °C for 4 h. The extracted lipids are significantly enriched in PUFAs at 31.3% of total lipids, 4 times higher than those in the lipids recovered by Soxhlet extraction (7.8%). Specifically, the concentrations of docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) in SC-CO2 extraction are 7 times higher than those obtained by Soxhlet extraction. Moreover, very small amounts of toxic heavy metals such as lead (Pb), arsenic (As), mercury (Hg), and cadmium (Cd) were detected in the SC-CO2-extracted lipids, 0.5-27 times lower than those in the Soxhlet-extracted lipids, which are 40-200 times lower than the regulatory limit maximum values. The low levels of contaminants and the high proportion of PUFAs (dominated by DHA and EPA) found in the SC-CO2-extracted lipids from Australian rock lobster liver suggest that the material could potentially be used as a valuable source of essential fatty acids for human consumption.

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Lipids from Marine Sources

Cited by 2 publications

References 108 publications

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

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

Significant Enrichment of Polyunsaturated Fatty Acids (PUFAs) in the Lipids Extracted by Supercritical CO₂ from the Livers of Australian Rock Lobsters (Jasus edwardsii)

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Lipids from Marine Sources

Cited by 2 publications

References 108 publications

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

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

Significant Enrichment of Polyunsaturated Fatty Acids (PUFAs) in the Lipids Extracted by Supercritical CO2 from the Livers of Australian Rock Lobsters (Jasus edwardsii)

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Significant Enrichment of Polyunsaturated Fatty Acids (PUFAs) in the Lipids Extracted by Supercritical CO₂ from the Livers of Australian Rock Lobsters (Jasus edwardsii)