Results 61 to 70 of about 12,001 (212)

Green extraction of caffeine from coffee pulp using a deep eutectic solvent (DES)

Applied Food Research, 2022
The objective of this work was the development of a green extraction method based on the use of a deep eutectic solvent (DES) to extract caffeine from coffee pulp (CP). Choline chloride and glycerol were used as hydrogen bond acceptor and hydrogen bond donor, respectively.
Anastasia Loukri, Chrysoula Sarafera, Athanasia M. Goula, Konstantinos Gardikis, Ioannis Mourtzinos   +4 more
openaire   +2 more sources

Optimization of Potassium Carbonate-based DES as Catalyst in the Production of Biodiesel via Transesterification

Journal of Nigerian Society of Physical Sciences, 2023
Increasing energy demand necessitates the production of sustainable fuels, which can be in the form of bio-fuels. One of such bio-fuels is biodiesel, which is typically produced via transesterification.
Abdulwasiu Abdurrahman, Saidu Muhammad Waziri, Olusegun Ayoola Ajayi, Fadimatu Nyako Dabai   +3 more
doaj   +1 more source

Enhanced performance of supercritical fluid foaming of natural-based polymers by deep eutetic solvents [PDF]

, 2014
Natural deep eutetic solvents (NADES) are defined as a mixture of two or more solid or liquid components, which at a particular composition present a high melting point depression becoming liquids at room temperature.
Choi, Choi, Cooper, Cooper, Craveiro, Dai, Dai, Duarte, Duarte, Duarte, Francisco, Gill, Jacobs, Leron, Lin, Mano, Martins, Nkuku, Paiva, Sankri, Shamsuri, Stott, Tai, Woolfson, Zhang   +24 more
core   +1 more source

Aggregation in Deep Eutectic Solvents (DESs): Formation of Polar DES-in-Nonpolar DES Microemulsions

ACS Physical Chemistry Au
The versatility of environmentally benign and inexpensive deep eutectic solvents (DESs) lies in their widely varying physicochemical properties. Depending on its constituents, a DES may be highly polar or nonpolar in nature. This offers an enticing possibility of formation of novel nonaqueous microemulsions (MEs).
Anushis Patra, null Anjali, Siddharth Pandey   +2 more
openaire   +3 more sources

Bio-renewable enantioselective aldol reaction in natural deep eutectic solvents [PDF]

, 2016
Among the deep eutectic solvents (DES), natural deep eutectic solvents (NADES) formed by D-glucose and racemic malic acid are suitable media to perform the enantioselective L-proline catalyzed intermolecular aldol reaction, creating simultaneously and ...
Berbegal, Lucía, Guillena, Gabriela, Martínez Flores, Regina, Ramón, Diego J.   +3 more
core   +2 more sources

Optimizing green approach to enhanced antioxidants from Thai pigmented rice bran using deep eutectic solvent-based ultrasonic-assisted extraction

Heliyon
Deep eutectic solvents (DES) have garnered significant attention as extraction media owing to their commendable attributes of being environmentally sustainable and the inherent adaptability of DES's versatile physical and chemical characteristics.
Pacharawan Ratanasongtham, Wasitthi Bunmusik, Suwaporn Luangkamin, Sugunya Mahatheeranont, Panawan Suttiarporn   +4 more
doaj   +1 more source

Ultrasound-Assisted Deep Eutectic Solvent Extraction of Polysaccharides from Anji White Tea: Characterization and Comparison with the Conventional Method

Foods, 2023
Deep eutectic solvent as a new green and safe solvent system has attracted more and more attention in recent years. In this study, three deep eutectic solvents (DES) were combined with ultrasound irradiation to extract tea polysaccharides (TPs) from Anji
Bing Xia, Qi Liu, Da Sun, Yang Wang, Wenjun Wang, Donghong Liu   +5 more
doaj   +1 more source

Reactivity of polar organometallic compounds in unconventional reaction media : challenges and opportunities [PDF]

, 2015
Developing new green solvents in designing chemical products and processes or successfully employing the already existing ones is one of the key subjects in green chemistry and is especially important in organometallic chemistry, which is an ...
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core   +1 more source

Surfactant behavior of sodium dodecylsulfate in deep eutectic solvent choline chloride/urea [PDF]

, 2015
Deep eutectic solvents (DES) resemble ionic liquids but are formed from an ionic mixture instead of being a single ionic compound. Here we present some results that demonstrate that surfactant sodium dodecyl sulfate (SDS) remains surface-active and shows
A. E. Terry, A. J. Jackson, A. Sanchez-Fernandez, D. Magnone, Evans D. F., K. J. Edler, Pershan P. S., T. Arnold   +7 more
core   +2 more sources

Response Surface Optimization of Rotenone Using Natural Alcohol-Based Deep Eutectic Solvent as Additive in the Extraction Medium Cocktail

Journal of Chemistry, 2017
Rotenone is a biopesticide with an amazing effect on aquatic life and insect pests. In Asia, it can be isolated from Derris species roots (Derris elliptica and Derris malaccensis).
Zetty Shafiqa Othman, Nur Hasyareeda Hassan, Saiful Irwan Zubairi   +2 more
doaj   +1 more source