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Ionic Liquids and Deep Eutectic Solvents in Green Chemistry

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Green Chemistry".

Deadline for manuscript submissions: 31 August 2025 | Viewed by 1003

Special Issue Editors


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Guest Editor
Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, HR-10000 Zagreb, Croatia
Interests: microwave-assisted organic synthesis; biotransformation; green chemistry; ionic liquids; deep eutectic solvents; antioxidant activity; phenolic compounds; reactor design; cytotoxicity; environmental engineering; green technology

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Guest Editor
Department of Biochemical Engineering, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10 000 Zagreb, Croatia
Interests: antioxidant activity; plant physiology; antioxidants; biotechnology; natural product chemistry; deep eutectic solvents; adsorption; chromatography; phytochemicals; extraction; food chemistry
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10 000 Zagreb, Croatia
Interests: extraction; microreactors; mathematical modelling; biocatalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In numerous industrial processes, significant amounts of volatile and flammable organic solvents are utilized in various reaction systems and separation steps, heavily influencing both the environmental and economic performance of these processes. For instance, the chemical industry consumes over 20 million tons of organic solvents annually, contributing to greenhouse gas emissions and posing risks of explosions and health hazards. Consequently, an expanding field of research in the realm of green chemistry focuses on creating new, environmentally friendly, and adaptable solvents that satisfy both technological and economic requirements.

Among the proposed solvents, ionic liquids (ILs) and deep eutectic solvents (DESs) have garnered significant attention due to their negligible vapor pressure, high thermal stability, and tunable properties, making them ideal for various applications. A state-of-the-art analysis shows their consistent growth in the fields of chemical synthesis and catalysis, extraction and separation processes, electrochemistry and energy storage, food technology, and life sciences.

This Special Issue will delve into the latest research and developments in IL- and DES-assisted technologies, evaluating their potential to transform industrial processes and meet future environmental and economic challenges.

Prof. Dr. Marina Cvjetko Bubalo
Prof. Dr. Ivana Radojcic Redovnikovic
Dr. Ana Jurinjak Tušek
Guest Editors

Manuscript Submission Information

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Keywords

  • ionic liquids
  • deep eutectic solvents
  • green chemistry

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Published Papers (1 paper)

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Research

10 pages, 1766 KiB  
Article
Study on the Ultrasonic-Assisted Extraction Process of Anthocyanin from Purple Cabbage with Deep Eutectic Solvent
by Lifen Meng, Pengpeng Ding, Ye Tan, Yinying Zhang and Jun Zhao
Molecules 2025, 30(6), 1281; https://doi.org/10.3390/molecules30061281 - 13 Mar 2025
Viewed by 637
Abstract
In this paper, purple cabbage was used as raw material for ultrasonic-assisted extraction of anthocyanin with deep eutectic solvent. The effects of extraction solvent type, solid–liquid ratio, moisture, extraction temperature, and time on the yield of anthocyanin from purple cabbage were investigated by [...] Read more.
In this paper, purple cabbage was used as raw material for ultrasonic-assisted extraction of anthocyanin with deep eutectic solvent. The effects of extraction solvent type, solid–liquid ratio, moisture, extraction temperature, and time on the yield of anthocyanin from purple cabbage were investigated by single factor test, and the feasibility of this extraction method was verified by standard addition recovery test. The test results showed that the optimal extraction results could be obtained when DES-5 (choline chloride/1, 2-propylene glycol/water) is used as extraction solvent, with solid–liquid ratio of 1:32, moisture of 50%, extraction temperature of 50 °C, and extraction time of 80 min. Under these conditions, the yield of anthocyanin extract purple cabbage reached 21.6%, and the recovery rates were 85.62–87.75%. Therefore, DES was a promising environmentally friendly solvent for extracting anthocyanins instead of organic solvent extraction. Full article
(This article belongs to the Special Issue Ionic Liquids and Deep Eutectic Solvents in Green Chemistry)
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