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| Content Provider | MDPI |
|---|---|
| Author | Breil, Cassandra Abert Vian, Maryline Zemb, Thomas Kunz, Werner Chemat, Farid |
| Abstract | Bligh and Dyer (B & D) or Folch procedures for the extraction and separation of lipids from microorganisms and biological tissues using chloroform/methanol/water have been used tens of thousands of times and are “gold standards” for the analysis of extracted lipids. Based on the Conductor-like Screening MOdel for realistic Solvatation (COSMO-RS), we select ethanol and ethyl acetate as being potentially suitable for the substitution of methanol and chloroform. We confirm this by performing solid–liquid extraction of yeast (Yarrowia lipolytica IFP29) and subsequent liquid–liquid partition—the two steps of routine extraction. For this purpose, we consider similar points in the ternary phase diagrams of water/methanol/chloroform and water/ethanol/ethyl acetate, both in the monophasic mixtures and in the liquid–liquid miscibility gap. Based on high performance thin-layer chromatography (HPTLC) to obtain the distribution of lipids classes, and gas chromatography coupled with a flame ionisation detector (GC/FID) to obtain fatty acid profiles, this greener solvents pair is found to be almost as effective as the classic methanol–chloroform couple in terms of efficiency and selectivity of lipids and non-lipid material. Moreover, using these bio-sourced solvents as an alternative system is shown to be as effective as the classical system in terms of the yield of lipids extracted from microorganism tissues, independently of their apparent hydrophilicity. |
| File Size | 2717696 |
| File Format | |
| e-ISSN | 14220067 |
| DOI | 10.3390/ijms18040708 |
| Journal | International Journal of Molecular Sciences |
| Issue Number | 4 |
| Volume Number | 18 |
| Language | English |
| Publisher Date | 2017-03-27 |
| Access Restriction | Open |
| Subject Keyword | Bligh and Dyer Folch bio-sourced solvent yeast lipids |
| Content Type | Text |
| Resource Type | Article |
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