Cited by 97Ionic liquids properties and applicationsMicrowave-Assisted Synthesis and ApplicationsAnalytical chemistry methods development

Investigation of Deep Eutectic Solvent-Based Microwave-Assisted Extraction and Efficient Recovery of Natural Products

Wang, Jiaqin, Jing, Wenqiang, Tian, Haiyuan, Liu, Min, Yan, Hongyuan, Bi, Wentao, Chen, David Da Yong·2020·ACS Sustainable Chemistry & Engineering

Abstract

A systematic study of the principles of deep eutectic solvent-based microwave-assisted extraction (DES-MAE) was performed. It was found that the heating rates of most DESs decreased (heat capacity increased) under microwave irradiation with increasing water content, allowing high-efficiency extraction for thermally sensitive compounds. In addition, DESs containing carboxylic acids reacted with hydroxyl groups of sugar and choline chloride, resulting in cell wall destruction and inhibition of cellulose, hemicellulose, and lignin reconnection in cell walls through hydrogen bonds, thus leading to better extraction performance. This was verified by extracting anthraquinones from Rheum palmatum using DES-MAE and optimizing extraction conditions. DES with citric acid as the hydrogen bonding donor gave the highest extraction efficiency under the optimized conditions. In addition, anthraquinones in the DES extract were recovered using three kinds of silica modified by different functional groups. The results showed that material containing a phenyl group is beneficial to the recovery of anthraquinones in acid-based DESs because it can facilitate strong hydrophobic and π–π interactions. This study showcases the green chemistry applications of DES-MAE in a laboratory and industry alike, and demonstrates the recovery of natural products from DES extracts. The findings also provide valuable information for green extraction, modification, and application of cellulose, hemicellulose, and lignin.

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Crossref · 10.1021/acssuschemeng.0c03393

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Authors
Wang, J., Jing, W., Tian, H., Liu, M., Yan, H., Bi, W., & Chen, D. D. Y.
Affiliations
  • Nanjing Normal University (CN)
  • University of British Columbia (CA)
  • Hebei University (CN)
Corresponding author
  • Bi, Wentao
  • Chen, David Da Yong
Venue
ACS Sustainable Chemistry & Engineering
Published
2020-07-17
Volume
8
Issue
32
Pages
12080-12088
ISSN
2168-0485 (ISSN-L)
OpenAlex
W3043696864
Cited by
97
References
31
Citations by year
2026: 16 · 2025: 22 · 2024: 22 · 2023: 11 · 2022: 14 · 2021: 11 · 2020: 1
FWCI
1.89
Type
journal article
Language
en
Open access
closed
Locations
ACS Sustainable Chemistry & Engineering (publishedVersion)
Funders
  • Natural Science Foundation of Hebei Province (B2018201270)
  • Major Basic Research Project of the Natural Science Foundation of the Jiangsu Higher Education Institutions (16KJB150022)
  • National Natural Science Foundation of China (21475061, 21507062)
  • Priority Academic Program Development of Jiangsu Higher Education Institutions
  • Scientific Research Foundation for the Returned Overseas Chinese Scholars ([2015]1098)
  • Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Nanjing Normal University
Topics
  • Physical Sciences › Chemical Engineering › Catalysis › Ionic liquids properties and applications
  • Physical Sciences › Chemistry › Organic Chemistry › Microwave-Assisted Synthesis and Applications
  • Physical Sciences › Chemistry › Analytical Chemistry › Analytical chemistry methods development
Keywords
deep eutectic solvents, microwave-assisted extraction, anthraquinones, Rheum palmatum, silica adsorbent, phenyl-functionalized silica, natural product recovery, cell wall damage, cellulose, hemicellulose and lignin, citric acid, choline chloride, green extraction

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