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Título: | Natural Deep Eutectic Solvents for Solubility and Selective Fractionation of Bioactive Low Molecular Weight Carbohydrates |
Autor: | Jiménez-Amezcua, I.; López Martínez, M. I.; Ruiz-Matute, Ana I. CSIC ORCID ; Sanz, M. Luz CSIC ORCID | Palabras clave: | Natural deep eutectic solvents (NADESs) Ketoses Aldoses Fractionation Low-molecular-weight carbohydrates |
Fecha de publicación: | dic-2023 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Foods 12(23): 4355 (2023) | Resumen: | Natural deep eutectic solvents (NADESs) have been shown to be selective and environmentally friendly solvents for the extraction of bioactive compounds. However, studies on the solubility of low-molecular-weight carbohydrates (LMWCs) in NADESs are scarce. In this work, new solubility data of LMWCs in NADESs are provided and a new approach based on the use of these solvents for the efficient fractionation of bioactive carbohydrates was explored for the first time. Several mono- and disaccharides and three NADESs based on choline chloride (ChCl) and different donors (2-ethylene glycol (EtG), glycerol (Gly) and ethanedioic acid dihydrate (Eth)) were considered. While the degradation of carbohydrates, mainly ketoses, was detected with ChCl:Eth due to its acidic nature, ChCl:EtG and ChCl:Gly were found to be useful alternatives for selectively separating bioactive ketoses and their corresponding aldoses (e.g., lactulose/lactose and tagatose/galactose) present in equimolar binary mixtures. In addition, the usefulness of ChCl:EtG for the selective enrichment of lactulose to be used as food ingredient or nutraceutical was proven (from a 25% in the reaction mixture to a 56% in the purified sample). NADESs could be used for the selective fractionation of value-added carbohydrates from interfering sugars for several applications, including food science, engineering or pharmaceuticals. | Versión del editor: | https://doi.org/10.3390/foods12234355 | URI: | http://hdl.handle.net/10261/341562 | DOI: | 10.3390/foods12234355 | E-ISSN: | 2304-8158 |
Aparece en las colecciones: | (IQOG) Artículos |
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Natural-Deep-Eutectic_Jiménez_Art_2023.pdf | 1,2 MB | Adobe PDF | Visualizar/Abrir |
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