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Related Concept Videos

Extraction: Advanced Methods00:56

Extraction: Advanced Methods

415
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

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Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
332

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Updated: Jun 5, 2025

Preparation of Binary and Ternary Deep Eutectic Systems
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Physical field-assisted deep eutectic solvent processing: A green and water-saving extraction and separation

Cunshan Zhou1, Adeyemi Ayotunde Adeyanju2, Charles Obiora Nwonuma3

  • 1School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China.

Journal of Food Science
|December 12, 2024
PubMed
Summary
This summary is machine-generated.

Deep eutectic solvents (DES) combined with physical field technologies (PFT) offer a sustainable method for extracting plant compounds. This approach enhances yield and quality while reducing energy and resource consumption.

Keywords:
deep eutectic solvent (DES)extractionphysical field technology (PFT)polyphenolsprotein

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Area of Science:

  • Green Chemistry
  • Biotechnology
  • Sustainable Extraction Technologies

Background:

  • Traditional organic solvent extraction is energy-intensive, time-consuming, and yields less bioactive compounds.
  • Conventional methods require significant water/oil, solvents, and result in lower extraction yields.
  • There is a need for sustainable and efficient methods for extracting valuable plant compounds.

Purpose of the Study:

  • To review the application of deep eutectic solvents (DES) as green solvents.
  • To discuss physical field technologies (PFT) like ultrasound, microwave, and infrared as water-saving and green technologies.
  • To evaluate the synergistic effects of coupling PFT with DES for improved extraction of plant compounds.

Main Methods:

  • Deep eutectic solvents (DES) utilized as a green extraction medium.
  • Physical Field Technologies (PFT) including Ultrasound (US), Microwave (MW), and Infrared (IR) applied.
  • Synergistic application of DES with PFT for enhanced extraction.

Main Results:

  • Ultrasonication (US) enhances DES extraction efficiency through cavitation and pore creation.
  • Infrared (IR) coupling with DES improves polyphenol yield and antioxidant activity.
  • Microwave (MW) coupling with DES boosts extraction yield, reduces energy use, and minimizes compound degradation.

Conclusions:

  • Combining DES with PFT offers a sustainable and efficient alternative to traditional extraction methods.
  • PFT-DES combinations significantly improve the yield and quality of various plant compounds.
  • Microwave-assisted DES extraction is highlighted as a particularly promising green technology for the future.