Evaluation of toxicity and biodegradability of choline chloride based deep eutectic solvents (CROSBI ID 201734)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Radošević, Kristina ; Cvjetko Bubalo, Marina ; Gaurina Srček, Višnja ; Grgas, Dijana ; Landeka Dragičević, Tibela ; Radojčić Redovniković, Ivana
engleski
Evaluation of toxicity and biodegradability of choline chloride based deep eutectic solvents
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 5 000 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.
deep eutectic solvents; in vitro toxicity; phytotoxicity; biodegradability; choline chloride
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Podaci o izdanju
112
2015.
46-53
objavljeno
0147-6513
10.1016/j.ecoenv.2014.09.034