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Título

Comparison of extraction methods for selected carotenoids from macroalgae and the assessment of their seasonal/spatial variation

AutorHeffernan, N.; Smyth, T. J.; Mendiola, J. A. ; Ibáñez, Elena
Palabras claveXanthophyll
Fucoxanthin
Macroalgae
Supercritical CO2 extraction
Carotenoids
Fecha de publicación2016
EditorElsevier
CitaciónInnovative Food Science and Emerging Technologies 37B: 221-228 (2016)
ResumenNatural bioactives are an excellent source of carotenoids for the production of nutraceuticals, functional foods and food additives. The extraction efficiencies of solid-liquid extraction (SLE), supercritical CO, supercritical CO with ethanol as co-solvent for the recovery of the carotenoids, xanthophyll and fucoxanthin, from two brown macroalgae Fucus serratus and Laminaria digitata were explored. The extraction efficiency was measured using both purity and yield of target compounds. Solid liquid extraction (hexane/acetone (70:30) at 50 °C for 24 h produced the greatest yield of carotenoid rich extracts from F. serratus. Optimal conditions in terms of carotenoid yield using supercritical CO were 50 °C, 300 Atm with an extraction time of 60 min. SCO yielded a higher purity of fucoxanthin while SLE resulted in a higher purity of xanthophyll. Seasonal/spatial variation based on the purity and yield was also investigated to provide valuable information on optimal harvest time for these compounds.
DescripciónN. Heffernan et al.
Versión del editorhttps://doi.org/10.1016/j.ifset.2016.06.004
URIhttp://hdl.handle.net/10261/150108
DOI10.1016/j.ifset.2016.06.004
Identificadoresdoi: 10.1016/j.ifset.2016.06.004
issn: 1466-8564
e-issn: 1878-5522
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