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Deep Eutectic Solvents: Technological and Food Industrial Applications
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Deep Eutectic Solvents: Technological and Food Industrial Applications

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Engineering and Technology".

Deadline for manuscript submissions: closed (12 December 2022) | Viewed by 7249

Special Issue Editors

Dr. Anastasia Kyriakoudi

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Guest Editor
Laboratory of Food Chemistry and Biochemistry, Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: green extraction; isolation and characterization of plant bioactive compounds; the encapsulation of bioactive compounds; the valorization of agricultural by-products and wastes; the determination of bioaccessibility/bioavailability; the assessment of antioxidant activity
Special Issues, Collections and Topics in MDPI journals
Dr. Ioannis Mourtzinos

E-Mail Website
Guest Editor
Laboratory of Food Chemistry and Biochemistry, Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: encapsulation; green extraction; aromatic and medicinal products; agricultural by-products; cyclodextrins
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to invite you to submit your work to the Special Issue of the “Foods” Journal entitled “Deep Eutectic Solvents: Technological and Food Industrial Applications”. 

Lately, the interest of the scientific community and industry has focused on the use of alternative, green solvents such as the Deep Eutectic Solvents (DESs). The latter ones are defined as combinations of components that consist of a hydrogen bond donor (HBD) and a hydrogen bond acceptor (HBA) which form a network of hydrogen bonds resulting in a liquid with distinct characteristics than that of the individual starting components. DESs exhibit certain advantages such as biodegradability, biocompatibility, low cost and easy preparation. These features along with the fact that they can be synthesized by components of natural origin, make them suitable for various food, pharmaceutical or cosmetic applications including extraction of bioactive compounds, delivery of pharmaceutical ingredients, organic synthesis, catalysis etc. 

The purpose of this Special Issue is to bring together experts from food science field that work on DESs and highlight recent advances and applications of these solvents, that could be of use both in academia and industry. The submission of original research articles, short communications and reviews is welcome and encouraged.

Looking forward to receiving your contributions.

Best regards,

Dr. Anastasia Kyriakoudi
Dr. Ioannis Mourtzinos
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Foods is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • deep eutectic solvents
  • green solvents
  • hdrophilic deep eutectic solvents
  • hydrophobic deep eutectic solvents
  • extraction
  • natural deep eutectic solvents
  • therapeutic deep eutectic solvents
  • food applications

Published Papers (2 papers)

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Research

14 pages, 1184 KiB  
Article
Extraction of Lycopene from Tomato Using Hydrophobic Natural Deep Eutectic Solvents Based on Terpenes and Fatty Acids
by Anastasia Kyriakoudi, Alexandros Tsiouras and Ioannis Mourtzinos
Foods 2022, 11(17), 2645; https://doi.org/10.3390/foods11172645 - 31 Aug 2022
Cited by 22 | Viewed by 4062
Abstract
The present study proposes a green extraction approach for the recovery of lycopene from tomato fruits. Different hydrophobic natural deep eutectic solvents (HNADESs) based on terpenes (i.e., menthol and thymol) and fatty acids (i.e., decanoic acid and dodecanoic acid) were prepared at different [...] Read more.
The present study proposes a green extraction approach for the recovery of lycopene from tomato fruits. Different hydrophobic natural deep eutectic solvents (HNADESs) based on terpenes (i.e., menthol and thymol) and fatty acids (i.e., decanoic acid and dodecanoic acid) were prepared at different molar ratios, characterised in terms of density, rheological properties, and Fourier transform-infrared (FT-IR) spectroscopy, and were examined for their effectiveness to extract lycopene from tomato. Response surface methodology (RSM) was employed to optimise the extraction parameters, namely duration (min) and solvent:solid ratio (v/w). Spectrophotometry and RP-HPLC-DAD were used in order to monitor the process efficiency. The combination of decanoic acid and dodecanoic acid was found to exhibit comparable extraction capacity to acetone. Taking into account that the HNADESs used in the present study are considered green, biodegradable and of low cost, the obtained carotenoid rich extracts are expected to be of use in industrial food applications. Full article
(This article belongs to the Special Issue Deep Eutectic Solvents: Technological and Food Industrial Applications)
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15 pages, 2429 KiB  
Article
Sustainable Development and Storage Stability of Orange By-Products Extract Using Natural Deep Eutectic Solvents
by Clara Gómez-Urios, Adriana Viñas-Ospino, Pablo Puchades-Colera, Daniel López-Malo, Ana Frígola, María José Esteve and Jesús Blesa
Foods 2022, 11(16), 2457; https://doi.org/10.3390/foods11162457 - 15 Aug 2022
Cited by 16 | Viewed by 2766
Abstract
The citrus industry produces large amounts of waste rich in bioactive compounds that have important effects on human health. Their extraction was performed using organic solvents, and a greener alternative to those solvents are natural deep eutectic solvents (NADES). The present study aimed [...] Read more.
The citrus industry produces large amounts of waste rich in bioactive compounds that have important effects on human health. Their extraction was performed using organic solvents, and a greener alternative to those solvents are natural deep eutectic solvents (NADES). The present study aimed to obtain and optimize extracts rich in polyphenols and flavonoids from orange peels using NADES and monitor polyphenol stability in the extracts for 30 days. The software COSMOtherm (conductor-like screening model) was used to screen fourteen NADES. The most promising solvents were lactic acid:glucose (LA:Glu) with an extraction yield of 1932 ± 7.83 mgGAE/100 gdw for TPC (total polyphenol content) and 82.7 ± 3.0 mg/100 gdw for TFC (total flavonoid content) and in the case of L-proline:malic acid (LP:MA) was 2164 ± 5.17 mgGAE/100 gdw for TPC and 97.0 ± 1.65 mg/100 gdw for TFC. The extraction process using LA:Glu and LP:MA was optimized, and the results showed that the selected variables (%NADES, solid:liquid ratio, and extraction time) had a significant influence on the extraction of TPC and TFC. Results showed that NADES improve the stability of TPC. These findings revealed that NADES are efficient for the extraction of bioactive compounds from orange by-products, and these extracts can represent an alternative for the food industry to enrich food products with natural ingredients. Full article
(This article belongs to the Special Issue Deep Eutectic Solvents: Technological and Food Industrial Applications)
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