Switchable hydrophilicity solvents for lipid extraction from microalgae for biofuel production

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DOIResolve DOI: http://doi.org/10.1016/j.biortech.2012.05.084
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TypeArticle
Journal titleBioresource Technology
ISSN0960-8524
Volume118
Pages628632; # of pages: 5
SubjectSwitchable solvents; Microalgae; Botryococcus braunii; Lipids; Biofuel
AbstractA switchable hydrophilicity solvent (SHS) was studied for its effectiveness at extracting lipids from freeze-dried samples of Botryococcus braunii microalgae. The SHS N,N-dimethylcyclohexylamine extracted up to 22 wt.% crude lipid relative to the freeze-dried cell weight. The solvent was removed from the extract with water saturated with carbon dioxide at atmospheric pressure and recovered from the water upon de-carbonation of the mixture. Liquid chromatography–mass spectrometry (LC–MS) showed that the extracted lipids contained high concentrations of long chain tri-, di- and mono-acylglycerols, no phospholipids, and only 4–8% of residual solvent. Unlike extractions with conventional organic solvents, this new method requires neither distillation nor the use of volatile, flammable or chlorinated organic solvents.
Publication date
LanguageEnglish
AffiliationAquatic and Crop Resource Development; National Research Council Canada
Peer reviewedYes
IdentifierS0960852412008371
NPARC number21268676
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Record identifiere4fbc09c-4610-4fdb-8b9e-087ae45bbdd4
Record created2013-11-07
Record modified2016-05-09
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