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Título: | Optimisation of Low-Toxicity Solvent Employment for Total Lipid and Tocopherol Compound Extraction from Patagonian Squid By-Products |
Autor: | Rodríguez, Alicia; Trigo, Marcos CSIC ORCID; Aubourg, Santiago P. CSIC ORCID; Medina, Isabel CSIC ORCID | Palabras clave: | By-products Doryteuthis gahi Total lipids Tocopherols Extraction Ethanol Acetone Ethyl acetate Optimisation Simplex-lattice design |
Tesauro AGROVOC: | tocopherols extraction ethanol acetone |
Fecha de publicación: | 2023 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Foods 12(3): 504 (2023) | Resumen: | The extraction of total lipids and tocopherol compounds from Patagonian squid (Doriteuthis gahi) by-products (viscera, heads, skin, etc.), resulting from squid mantel commercialisation, was studied. An optimisation simplex-lattice design by employing low-toxicity solvents (ethanol, acetone, and ethyl acetate) was carried out taking into account their relative concentrations. The variance analysis of data showed that the quadratic model was statistically significant (p < 0.05); empirical coded equations were obtained as a function of the low-toxicity solvent ratios. The optimised lipid extraction was obtained by employing the 0.642/0.318/0.040 (ethanol/acetone/ethyl acetate) solvent ratio, respectively, leading to an 84% recovery of the total lipids extracted by the traditional procedure. In all extracting systems tested, the presence of α-, γ-, and δ-tocopherol compounds was detected, α-tocopherol being the most abundant. For α-, γ-, and δ-tocopherol compounds, the optimisation process showed that acetone extraction led to the highest concentrations in the lipid extract obtained (2736.5, 36.8, and 2.8 mg·kg−1 lipids, respectively). Taking into account the recovery yield on a by-product basis, the values obtained for the three tocopherols were included in the 88.0–97.7%, 80.0–95.0%, and 25–75% ranges, respectively, when compared to the traditional extraction. This study provides a novel and valuable possibility for α-tocopherol extraction from marine by-products | Descripción: | 16 pages, 3 figures, 3 tables.-- This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license | Versión del editor: | https://doi.org/10.3390/foods12030504 | URI: | http://hdl.handle.net/10261/348595 | DOI: | 10.3390/foods12030504 | E-ISSN: | 2304-8158 |
Aparece en las colecciones: | (IIM) Artículos |
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