Effect of moisture and oil content in the supercritical CO2 defatting of hermetia illucens larvae
EntityUAM. Departamento de Química Física Aplicada
10.3390/foods12030490Foods 12.3 (2023): 490
SubjectsH. Illucens; Edible Insects; Oil; Defatting; Supercritical Fluid Extraction; Física
Rights© 2023 by the authors. Licensee MDPI, Basel, Switzerland
Esta obra está bajo una Licencia Creative Commons Atribución 4.0 Internacional.
The supercritical defatting of H. illucens was scaled up at 450 bar and 60 ◦C from a 270 cm3 extraction cell to a vessel five times larger. Then, eight different H. illucens larvae batches, with vari able content of oil (16.80–29.17% w/w) and moisture (4.45–15.95% w/w) were defatted. The effect of these parameters on yield and oil composition was analyzed. The presence of moisture in the larvae batch, in the range of the values studied, had no negative effect on the oil recovery efficiency, which was mainly determined by the initial content of oil in the larvae samples. Furthermore, no differences were determined in the fatty acid profile of the oils recovered, which were rich in satu rated fatty acids, mainly lauric acid (ca. 50% w/w). Minor lipids, such as squalene and phytosterols, were determined in all the oil samples. The moisture content in the oils extracted was in the range of 0.118–1.706% w/w. Therefore, some samples exceeded the limits recommended for volatile matter in edible fats and oils (0.2%, including moisture). Yet, concerning the oil peroxide index, values were much lower than those corresponding to the oil extracted using hexane
Google Scholar:Fornari Reale, Tiziana - Vázquez de Frutos, Luis - Villanueva Bermejo, David - Hurtado Ribeira, Raúl - Martín Hernández, Diego - Martin, Diana
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