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Application of acidic deep eutectic solvents in green extraction of 5-hydroxymethylfurfural.

ABSTRACT: The extraction of the 5-hydroxymethylfurfural (5-HMF), as building block for many applications, from aqueous solutions has been became an indispensable challenge. Consequently, this study investigated the extraction ability of acidic deep eutectic solvent-based aqueous two-phase system (ATPS), choline chloride as hydrogen bond acceptor (HBA) and lactic acid, oxalic acid and citric acid as hydrogen bond donor (HBD), countering polypropylene glycol 400 at T = 298.15 K. Two semi-empirical Zafarani-Moattar et al. and Merchuk equations were used to fit the measured binodal data. Further, the NRTL and UNIQUAC models were used for correlating of tie-line data. The consistency of the experimental tie-line data was determined by utilizing the Bachman-Brown and Hand correlations. Also, the performance of these ATPSs to partitioning of 5-HMF, were investigated by calculation of extraction efficiencies, EE% and partition coefficients, K. This strategy indicates DES-based ATPSs have the acceptable extraction efficiency of the 5-HMF in a single-step extraction. A greenness assessment tool, Analytical GREEnness metric (AGREE), was tested to evaluate of greenness of analytical protocol.

SUBMITTER: Karimi S

PROVIDER: S-EPMC9339007 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature

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Application of acidic deep eutectic solvents in green extraction of 5-hydroxymethylfurfural.

Karimi Sabah S Shekaari Hemayat H

Scientific reports 20220730 1

The extraction of the 5-hydroxymethylfurfural (5-HMF), as building block for many applications, from aqueous solutions has been became an indispensable challenge. Consequently, this study investigated the extraction ability of acidic deep eutectic solvent-based aqueous two-phase system (ATPS), choline chloride as hydrogen bond acceptor (HBA) and lactic acid, oxalic acid and citric acid as hydrogen bond donor (HBD), countering polypropylene glycol 400 at T = 298.15 K. Two semi-empirical Zafarani- ...[more]

PMID: 35907921

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Project description:The Artemisia argyi leaf (AL) has been used as a traditional medicine and food supplement in China and other Asian countries for hundreds of years. Phytochemical studies disclosed that AL contains various bioactive constituents. Among bioactive constituents, phenolic acids have been recognized as the main active compounds in AL. To the best of our knowledge, no research has been focused on extraction method for the bioactive phenolic acids from AL. Nowadays, deep eutectic solvents (DESs) are emerging as a new type of green and sustainable solvent for efficient extraction of bioactive compounds from natural products. In the present study, an environmentally friendly extraction method based on DESs was established to extract bioactive phenolic acids from ALs. Diverse tailor-made solvents, including binary and ternary DESs, were explored for simultaneous extraction of four phenolic acids (3-caffeoylquinic acid, 3,4-di-O-caffeoylquinic acid, 3,5-di-O-caffeoylquinic acid, and 4,5-di-O-caffeoylquinic acid) from AL. The results indicated that the ternary DES composed of a 2:1:2 molar ratio of choline chloride, malic acid, and urea showed enhanced extraction yields for phenolic acids compared with conventional organic solvents and other DESs. Subsequently, the extraction parameters for the four phenolic acids by selected tailor-made DESs, including liquid-solid ratios, water content (%) in the DESs, and extraction time, were optimized using response surface methodology and the optimal extraction conditions were: extraction time, 23.5 min; liquid-solid ratio, 57.5 mL/g (mL of DES/g dry weight of plant material); water content, 54%. The research indicated that DESs were efficient and sustainable green extraction solvents for extraction of bioactive phenolic acids from natural products. Compared to the conventional organic solvents, the DESs have a great potential as possible alternatives to those organic solvents in health-related areas such as food and pharmaceuticals.

Dataset Information

Application of acidic deep eutectic solvents in green extraction of 5-hydroxymethylfurfural.

Publications

Application of acidic deep eutectic solvents in green extraction of 5-hydroxymethylfurfural.

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