Cited by 770Ionic liquids properties and applicationsEnvironmental Chemistry and AnalysisEnvironmental Toxicology and Ecotoxicology

Evaluation of toxicity and biodegradability of choline chloride based deep eutectic solvents

Radošević, Kristina, Cvjetko Bubalo, Marina, Gaurina Srček, Višnje, Grgas, Dijana, Landeka Dragičević, Tibela, Radojčić Redovniković, Ivana·2015·Ecotoxicology and Environmental Safety

Abstract

Deep eutectic solvents (DESs) have been dramatically expanding in popularity as a new generation of environmentally friendly solvents with possible applications in various industrial fields, but their ecological footprint has not yet been thoroughly investigated. In the present study, three choline chloride-based DESs with glucose, glycerol and oxalic acid as hydrogen bond donors were evaluated for in vitro toxicity using fish and human cell line, phytotoxicity using wheat and biodegradability using wastewater microorganisms through closed bottle test. Obtained in vitro toxicity data on cell lines indicate that choline chloride: glucose and choline chloride:glycerol possess low cytotoxicity (EC50>10 mM for both cell lines) while choline chloride:oxalic acid possess moderate cytotoxicity (EC50 value 1.64 mM and 4.19 mM for fish and human cell line, respectively). Results on phytotoxicity imply that tested DESs are non-toxic with seed germination EC50 values higher than 5000 mg L(-1). All tested DESs were classified as'readily biodegradable' based on their high levels of mineralization (68-96%). These findings indicate that DESs have a green profile and a good prospect for a wider use in the field of green technologies.

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Crossref · 10.1016/j.ecoenv.2014.09.034

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44 of 44 references verified0 citation errors · 0 not checkable

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  • NADES have been considered a fourth generation of ionic liquids.

    “Later, these novel, advanced class of green solvents have been considered as fourth generation of ionic liquids (Radošević et al. 2015).”

    From The perspectives of natural deep eutectic solvents in agri-food sector (2020) · cites this paper as Radošević et al. 2015

  • Radošević et al. (2015) found a similar observation for ChCl:oxalic acid NADES on two cell lines.

    “while Radošević et al. (2015) found similar observation in the case of ChCl:oxalic acid NADES on two cell lines.”

    From The perspectives of natural deep eutectic solvents in agri-food sector (2020) · cites this paper as Radošević et al. (2015)

  • NADES biodegradation is associated with their chemical nature.

    “It was demonstrated that NADES biodegradation is associated with their chemical nature (Hou et al. 2013;Huang et al. 2017;Radošević et al. 2015;Wen et al. 2015;Zhao et al. 2015).”

    From The perspectives of natural deep eutectic solvents in agri-food sector (2020) · cites this paper as Radošević et al. 2015

  • The majority of investigated compounds were classified as readily biodegradable.

    “The majority of investigated compounds were classified as readily biodegradable compounds (Hou et al. 2013;Huang et al. 2017;Radošević et al. 2015;Wen et al. 2015;Zhao et al. 2015).”

    From The perspectives of natural deep eutectic solvents in agri-food sector (2020) · cites this paper as Radošević et al. 2015

  • In toxicity tests, choline chloride:glucose and choline chloride:glycerol NADESs showed low in vitro toxicity (EC50 >10 mM) and were nontoxic to wheat seed germination (EC50 >5000 mg/L), whereas choline chloride:oxalic acid showed moderate cytotoxicity (EC50 1.64 and 4.19 mM for fish and human cell lines).

    “The data obtained with the in vitro toxicity test on cell lines indicated a low toxicity for choline chloride:glucose and choline chloride:glycerol (EC 50 >10 mM for both cell lines), whereas moderate cytotoxicity was observed for choline chloride:oxalic acid (EC 50 value 1.64 and 4.19 mM for fish and human cell line, respectively).”

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Authors
Radošević, K., Cvjetko Bubalo, M., Gaurina Srček, V., Grgas, D., Landeka Dragičević, T., & Radojčić Redovniković, I.
Affiliations
University of Zagreb (HR)
Venue
Ecotoxicology and Environmental Safety
Publisher
Elsevier BV
Published
2015-02
Volume
112
Pages
46-53
ISSN
0147-6513 (ISSN-L)
OpenAlex
W2071385562
Cited by
770
References
45
Citations by year
2026: 85 · 2025: 98 · 2024: 90 · 2023: 97 · 2022: 87 · 2021: 71 · 2020: 72 · 2019: 56 · 2018: 37 · 2017: 29 · 2016: 26 · 2015: 20 · 2014: 1
FWCI
9.12
Type
journal article
Language
en
Open access
closed
Locations
  • Ecotoxicology and Environmental Safety (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Science, Education and Sports, Republic of Croatia
  • University of Zagreb (0582261-7002223)
Topics
  • Physical Sciences › Chemical Engineering › Catalysis › Ionic liquids properties and applications
  • Physical Sciences › Environmental Science › Environmental Chemistry › Environmental Chemistry and Analysis
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
Keywords
deep eutectic solvents, choline chloride, toxicity, biodegradability, phytotoxicity, cytotoxicity, glucose, glycerol, oxalic acid, mineralization, green solvents, wheat seed germination, fish cell lines, human cell lines
MeSH terms
Animals, Choline, Glucose, Glycerol, Hydrogen Bonding, Solvents, Triticum, Oxalic Acid, Wastewater

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