PreprintCited by 16Ionic liquids properties and applicationsChemical and Physical Properties in Aqueous SolutionsCarbohydrate Chemistry and Synthesis

Use of Natural Deep Eutectic Solvents (NADES) for the Selective Fractionation of Bioactive Low Molecular Weight Carbohydrates

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Jiménez Amezcua, Ignacio, Martínez, Manuel Ignacio López, Ruiz-Matute, A.I., Sanz, María Luz·2023·Foods

Preprint — published as 10.3390/foods12234355

Abstract

Natural deep eutectic solvents (NADES) have been shown as selective and environmentally friendly solvents for the extraction of bioactive compounds. However, studies on the solubility of low molecular weight carbohydrates (LMWC) in NADES are scarce. In this work, new solubility data of LMWC in NADES 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 NADES based on choline chloride (ChCl) and different donors [2-ethylene glycol (EtG), glycerol (Gly) and ethanedioic acid dihydrate (Eth)] were considered. While 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). NADES could be used for the selective fractionation of value-added carbohydrates from interfering sugars for several applications including food science, engineering or pharmaceuticals.

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References 39 · Cited by 16

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  1. Oh, D.K. Tagatose: Properties, Applications, and Biotechnological Processes. Appl. Microbiol. Biotechnol. 2007, 76, 1-8.

Authors
Jiménez Amezcua, I., Martínez, M. I. L., Ruiz-Matute, A. I., & Sanz, M. L.
Venue
Foods
Publisher
MDPI AG
Published
2023-11-09
Volume
12
Issue
23
Pages
4355-4355
ISSN
2304-8158 (ISSN-L)
OpenAlex
W4389274757
Cited by
16
References
39
Citations by year
2026: 5 · 2025: 8 · 2024: 2 · 2023: 1
FWCI
0.75
Type
journal article
Language
en
Open access
Locations
  • Foods (publishedVersion, cc-by)
  • Preprints.org (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Comunidad de Madrid (MCIN /AEI /10.13039/ 501100011033, IND2020/BIO-17409)
  • Ministerio de Ciencia e Innovación (PID2019-106405GB-I00, IND2020/BIO-17409)
  • Consejería de Sanidad, Comunidad de Madrid (IND2020/BIO-17409, PID2019-106405GB-I00)
  • Agencia Estatal de Investigación (AEI//10.13039/501100011033/, 501100011033, 10.13039/501100011033, MCIN/AEI/10.13039/501 100 011 033, 13039, .13039/501100011033, 10.13039, AEI/10, PID2019)
Topics
  • Physical Sciences › Chemical Engineering › Catalysis › Ionic liquids properties and applications
  • Physical Sciences › Chemical Engineering › Filtration and Separation › Chemical and Physical Properties in Aqueous Solutions
  • Physical Sciences › Chemistry › Organic Chemistry › Carbohydrate Chemistry and Synthesis
Keywords
natural deep eutectic solvents, low molecular weight carbohydrates, choline chloride, glycerol, lactulose, lactose, tagatose, galactose, carbohydrate degradation, bioactive carbohydrates

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