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Title	Sustainable Green Extraction of Carotenoid Pigments: Innovative Technologies and Bio-Based Solvents
ID_Doc	9415
Authors	Morón-Ortiz, A; Mapelli-Brahm, P; Meléndez-Martínez, AJ
Title	Sustainable Green Extraction of Carotenoid Pigments: Innovative Technologies and Bio-Based Solvents
Year	2024
Published	Antioxidants, 13.0, 2
Abstract	Carotenoids are ubiquitous and versatile isoprenoid compounds. The intake of foods rich in these pigments is often associated with health benefits, attributable to the provitamin A activity of some of them and different mechanisms. The importance of carotenoids and their derivatives for the production of foods and health-promotion through the diet is beyond doubt. In the new circular economy paradigm, the recovery of carotenoids in the biorefinery process is highly desirable, for which greener processes and solvents are being advocated for, considering the many studies being conducted at the laboratory scale. This review summarizes information on different extraction technologies (ultrasound, microwaves, pulsed electric fields, pressurized liquid extraction, sub- and supercritical fluid extraction, and enzyme-assisted extraction) and green solvents (ethyl lactate, 2-methyltetrahydrofuran, natural deep eutectic solvents, and ionic liquids), which are potential substitutes for more toxic and less environmentally friendly solvents. Additionally, it discusses the results of the latest studies on the sustainable green extraction of carotenoids. The conclusions drawn from the review indicate that while laboratory results are often promising, the scalability to real industrial scenarios poses a significant challenge. Furthermore, incorporating life cycle assessment analyses is crucial for a comprehensive evaluation of the sustainability of innovative extraction processes compared to industry-standard methods.
PDF	https://www.mdpi.com/2076-3921/13/2/239/pdf?version=1708010759

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