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Article
Chemistry, Applied
Jiahao Yu et al.
Summary: This paper introduces the potential of deep eutectic solvents (DES) as plasticizers for chitosan film in food packaging. Films based on chitosan and DES consisting of choline chloride (ChCl) and organic acids were studied for their structural, mechanical, thermal, contact angle, optical, antioxidant, and antibacterial properties. The addition of ChCl and acetylsalicylic acid resulted in films with optimal mechanical characteristics, reduced water contact angles, decreased decomposition temperature, strong UV shielding, and antioxidant properties. Films containing ChCl, acetylsalicylic acid, malonic acid, and lactic acid showed excellent antibacterial properties against Escherichia coli and Staphylococcus aureus.
FOOD HYDROCOLLOIDS
(2023)
Article
Biochemistry & Molecular Biology
Al-Hareth AbdulRaheem Salem Al-Ajalein et al.
Summary: The current study focused on the extraction and optimization process of polysaccharides from Cinnamomum cassia bark to obtain polysaccharides with high sun protection factor, anti-hyperpigmentation, and antioxidant activities. The polysaccharides showed high inhibitory activity against monophenolase and diphenolase, as well as ferric reducing antioxidant power. These activities were primarily contributed by the polysaccharides. The polysaccharides from C. cassia could be an alternative therapeutic source for skin hyperpigmentation treatment.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Chemistry, Physical
Chenhua Shu et al.
Summary: In this study, three deep eutectic solvents (DESs) were synthesized and used for extractive denitrogenation of model oil, among which [Et3N/PA] showed high extraction efficiency for both indole and quinolone. The synthesis mechanism of DESs and the denitrogenation mechanism by DESs were explored using [Et3N/PA] as a representative. Factors affecting extraction efficiency were investigated and it was found that [Et3N/PA] has the advantages of short equilibrium time, wide range nitrogen content adaptability, and excellent performance near room temperature. Furthermore, [Et3N/PA] exhibits excellent regeneration performance, making it a promising extractant for fuel oil denitrogenation.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Engineering, Chemical
Olga Mokhodoeva et al.
Summary: A new technique for selective separation and enrichment of platinum group metals without the use of chelating agents is presented. The process involves extracting precious metals into a hydrophobic deep eutectic solvent and re-extracting them with ammonium hydroxide and nitric acid solutions. The technique has a high extraction efficiency for platinum, palladium, ruthenium, iridium, and rhodium.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Review
Chemistry, Physical
Olga Dlugosz
Summary: Natural deep eutectic solvents (NDESs) are a new type of green solvent widely used in various fields such as industry, medicine, and nanotechnology due to their simple preparation, environmental friendliness, biocompatibility, and multifunctionality. This review focuses on their applications in nanotechnology processes, specifically in obtaining functional nanomaterials through their physicochemical properties. The advantages of using NDESs in obtaining inorganic nanoparticles are highlighted, including reducing energy consumption and functionalizing nanoparticles in situ. The review also discusses recent advances and future directions in the development and applications of NDESs in nanotechnology.
Review
Food Science & Technology
Ciro Cannavacciuolo et al.
Summary: Usual extraction processes for analyzing foods, supplements, and nutraceutical products involve massive amounts of organic solvents causing negative impact on the environment and human health. Natural deep eutectic solvents (NADES), a new class of green solvents, are sustainable, biodegradable, non-toxic and cost-effective, making them a valid alternative to conventional solvents. This review provides an overview of NADES, including their classification, preparation methods, physicochemical properties, toxicity, and their potential application as extractants of bioactive compounds in food analysis.
Article
Chemistry, Physical
Zhonghai Tang et al.
Summary: In this study, temperature-switchable deep eutectic solvents (TS-DESs) were prepared and used as recyclable extractants for extracting Lycium barbarum polysaccharides (LBP). The TS-DESs showed temperature-responsive characteristics, enabling the extraction below their LCST and recovery above their LCST. The maximal extraction yield obtained was 465 mg/g, and the TS-DES exhibited a recovery rate of 80.2% after five cyclic tests. This study provides a novel method for polysaccharide extraction and offers guidance for the extraction of bioactive compounds using recyclable extractants.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Green & Sustainable Science & Technology
Man Zhang et al.
Summary: This study focuses on the preparation strategy for choline chloride-carboxylic acid deep eutectic solvents (DESs) and investigates the effects of process parameters on DES formation and impurities. Different preparation methods result in different impurity contents, with heating being suitable for liquid acids and freeze-drying suitable for DESs with thermally unstable components.
JOURNAL OF CLEANER PRODUCTION
(2022)
Review
Engineering, Environmental
Chahd Maher Chabib et al.
Summary: Deep eutectic solvents (DESS) have gained considerable attention in the past decade for their economic benefits, flexible design, environmental safety, and potential applications in water and wastewater treatment. Significant advances have been made in the synthesis and applications of DESS, especially in water purification processes. However, there are still challenges in integrating DESS into water treatment technologies that require further research.
JOURNAL OF WATER PROCESS ENGINEERING
(2022)
Article
Green & Sustainable Science & Technology
Eleni Bozinou et al.
Summary: This study explored a novel method of extracting polyphenols from onion solid wastes (OSW) using glycerol and green deep eutectic solvent (DES). The results showed that the glycerol/citric acid DES extract had the highest polyphenolic composition with exceptionally high quercetin concentration and the highest antioxidant activity. This method could be a sustainable means of producing quercetin through valorization of food wastes in a biorefinery context.
Review
Chemistry, Multidisciplinary
Idrees B. Qader et al.
Summary: The field of Ionic liquids (ILs) and deep eutectic solvents (DESs) is continuously expanding due to their unique properties and tunability, finding applications in various areas of modern science. In pharmaceutical sciences, ILs and DESs can be used for drug delivery, but practical use is still pending due to the lack of long-term toxicity data and safety evaluations.
PHARMACEUTICAL RESEARCH
(2022)
Article
Food Science & Technology
Muhammad Hakimin Shafie et al.
Summary: The main aim of this study is to explore the potential of deep eutectic solvent (DES) as a plasticizer. The influence of different choline chloride-citric acid monohydrate (ChCl-CAM) molar ratios on the properties of a selected biopolymer film (BF) was investigated. The results showed that using DES as a plasticizer improved the properties of BF, with minimal plasticizing effect observed at the eutectic point (ratio 1:1) due to self-interaction between ChCl and CAM.
JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION
(2022)
Article
Chemistry, Multidisciplinary
Andrew P. Abbott
Summary: This article introduces the characteristics, applications, and recent research progress of deep eutectic solvents, including electrodeposition, metal recycling, and the effects of mixing with water.
CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY
(2022)
Article
Nutrition & Dietetics
Xu Pan et al.
Summary: In this study, a high-efficiency and non-pollution extraction procedure using deep eutectic solvents (DESs) was applied to extract polysaccharides from Morchella importuna. The results showed that the DES system with a mole ratio of choline chloride and oxalic acid of 2:1 and a water content of 90% produced the highest extraction yield. The extracted polysaccharides had higher carbohydrate and sulfate contents compared to those extracted using hot water extraction method. Chemical analysis revealed that the polysaccharides were composed of glucosamine, galactose, glucose, and mannose, with a lower molecular weight compared to polysaccharides extracted using hot water extraction method.
FRONTIERS IN NUTRITION
(2022)
Article
Chemistry, Physical
Nildhara Parsana et al.
Summary: In this study, a self-healable, injectable, and ionic conductive supramolecular eutectogel in natural deep eutectic solvent (NADES) was designed. The eutectogel exhibited excellent antimicrobial properties and high encapsulation efficiency for curcumin, as well as high colloidal forces and environmental compatibility. These properties make it an ideal material for biomedical and industrial applications.
ACS APPLIED ENERGY MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Benworth B. Hansen et al.
Summary: Deep eutectic solvents (DESs) exhibit significant depressions in melting points and tunable physicochemical properties, but there is still a lack of predictive understanding of their microscopic mechanisms and structure-property relationships. Research on complex hydrogen bonding is crucial for a deeper understanding and development of fundamental frameworks for DESs.
Article
Engineering, Chemical
Xian-chao Shang et al.
Summary: This study utilized deep eutectic solvents for polysaccharide extraction from bladder-wrack. By optimizing the extraction conditions, polysaccharides with excellent antioxidant and anticancer activities were obtained.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Review
Environmental Sciences
Man Zhang et al.
Summary: Deep eutectic solvents (DES) are considered a new generation of green solvents due to their distinctive and tailorable physicochemical properties. They have been widely applied in various fields, and research focuses on the influence of molecular structure on DES properties and the latest research results in different areas. Developing DES with specific physicochemical properties from a molecular structure aspect is key to their accurate functional applications.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Electrochemistry
John Raymund Brusas et al.
Summary: Deep eutectic solvents are viable alternatives to toxic aqueous plating baths, but the presence of water significantly affects their performance. The study found that ethaline exhibits significant hygroscopicity, leading to decreased viscosity, increased electrical conductivity, and a narrowing of the electrochemical window. Heating the solution at 100 degrees Celsius can remove absorbed moisture and restore the solvent's initial properties.
JOURNAL OF ELECTROCHEMICAL SCIENCE AND TECHNOLOGY
(2021)
Article
Biochemistry & Molecular Biology
Grazyna Kowalska et al.
Summary: This study optimized the extraction conditions of polyphenols, flavonoids, and chlorophyll from peppermint and common nettle leaves using green chemistry. The use of glycerol-water systems resulted in higher concentrations of these active compounds compared to traditional solvents like water and ethanol. Extraction temperature was found to significantly influence the concentration of the components in the extracts.
Article
Chemistry, Multidisciplinary
Ramesh Kumar Banjare et al.
Article
Biochemical Research Methods
Muhammad Qamar Farooq et al.
JOURNAL OF CHROMATOGRAPHY A
(2020)
Article
Engineering, Chemical
Lingfeng Wu et al.
SEPARATION AND PURIFICATION TECHNOLOGY
(2020)
Article
Biochemistry & Molecular Biology
Muhammad Hakimin Shafie et al.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2020)
Article
Chemistry, Physical
Monia A. R. Martins et al.
JOURNAL OF SOLUTION CHEMISTRY
(2019)
Article
Physics, Atomic, Molecular & Chemical
Muhammad Hakimin Shafie et al.
JOURNAL OF MOLECULAR LIQUIDS
(2019)
Review
Chemistry, Analytical
Guizhen Li et al.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2019)
Article
Chemistry, Applied
Eun-Hi Cho et al.
CARBOHYDRATE POLYMERS
(2019)
Article
Chemistry, Physical
Yu Chen et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2019)
Article
Chemistry, Analytical
Hongmei Zhang et al.
ANALYTICAL METHODS
(2016)
Article
Biochemistry & Molecular Biology
Paulo Henrique F. Pereira et al.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2016)
Article
Chemistry, Applied
J. Prakash Maran et al.
CARBOHYDRATE POLYMERS
(2015)
Article
Chemistry, Physical
Thomas Murphy et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2014)
Article
Chemistry, Multidisciplinary
Andrew P. Abbott et al.
