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Green extraction of grape skin phenolics by using deep eutectic solvents.
Food Chem. 2016 Jun 01; 200:159-66.FC

Abstract

Conventional extraction techniques for plant phenolics are usually associated with high organic solvent consumption and long extraction times. In order to establish an environmentally friendly extraction method for grape skin phenolics, deep eutectic solvents (DES) as a green alternative to conventional solvents coupled with highly efficient microwave-assisted and ultrasound-assisted extraction methods (MAE and UAE, respectively) have been considered. Initially, screening of five different DES for proposed extraction was performed and choline chloride-based DES containing oxalic acid as a hydrogen bond donor with 25% of water was selected as the most promising one, resulting in more effective extraction of grape skin phenolic compounds compared to conventional solvents. Additionally, in our study, UAE proved to be the best extraction method with extraction efficiency superior to both MAE and conventional extraction method. The knowledge acquired in this study will contribute to further DES implementation in extraction of biologically active compounds from various plant sources.

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Publisher Full Text (DOI)

Authors+Show Affiliations

Cvjetko Bubalo M
Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia.
Ćurko N
Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia.
Tomašević M
Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia.
Kovačević Ganić K
Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia.
Radojčić Redovniković I
Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia. Electronic address: irredovnikovic@pbf.hr.

MeSH

ColorMicrowavesPhenolsPlant ExtractsSolventsUltrasonicsVitisWater

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26830574

Citation

Cvjetko Bubalo, Marina, et al. "Green Extraction of Grape Skin Phenolics By Using Deep Eutectic Solvents." Food Chemistry, vol. 200, 2016, pp. 159-66.
Cvjetko Bubalo M, Ćurko N, Tomašević M, et al. Green extraction of grape skin phenolics by using deep eutectic solvents. Food Chem. 2016;200:159-66.
Cvjetko Bubalo, M., Ćurko, N., Tomašević, M., Kovačević Ganić, K., & Radojčić Redovniković, I. (2016). Green extraction of grape skin phenolics by using deep eutectic solvents. Food Chemistry, 200, 159-66. https://doi.org/10.1016/j.foodchem.2016.01.040
Cvjetko Bubalo M, et al. Green Extraction of Grape Skin Phenolics By Using Deep Eutectic Solvents. Food Chem. 2016 Jun 1;200:159-66. PubMed PMID: 26830574.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Green extraction of grape skin phenolics by using deep eutectic solvents. AU - Cvjetko Bubalo,Marina, AU - Ćurko,Natka, AU - Tomašević,Marina, AU - Kovačević Ganić,Karin, AU - Radojčić Redovniković,Ivana, Y1 - 2016/01/11/ PY - 2015/06/16/received PY - 2015/09/28/revised PY - 2016/01/10/accepted PY - 2016/2/3/entrez PY - 2016/2/3/pubmed PY - 2016/9/30/medline KW - Anthocyanins KW - Deep eutectic solvent KW - Grape skin KW - Green extraction KW - Microwave KW - Phenolics KW - Ultrasound SP - 159 EP - 66 JF - Food chemistry JO - Food Chem VL - 200 N2 - Conventional extraction techniques for plant phenolics are usually associated with high organic solvent consumption and long extraction times. In order to establish an environmentally friendly extraction method for grape skin phenolics, deep eutectic solvents (DES) as a green alternative to conventional solvents coupled with highly efficient microwave-assisted and ultrasound-assisted extraction methods (MAE and UAE, respectively) have been considered. Initially, screening of five different DES for proposed extraction was performed and choline chloride-based DES containing oxalic acid as a hydrogen bond donor with 25% of water was selected as the most promising one, resulting in more effective extraction of grape skin phenolic compounds compared to conventional solvents. Additionally, in our study, UAE proved to be the best extraction method with extraction efficiency superior to both MAE and conventional extraction method. The knowledge acquired in this study will contribute to further DES implementation in extraction of biologically active compounds from various plant sources. SN - 1873-7072 UR - https://www.unboundmedicine.com/medline/citation/26830574/Green_extraction_of_grape_skin_phenolics_by_using_deep_eutectic_solvents_ DB - PRIME DP - Unbound Medicine ER -