Journal
BIORESOURCE TECHNOLOGY
Volume 201, Issue -, Pages 360-364Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.11.031
Keywords
Lipid extraction; Microalgae; Polar solvents; Non-polar solvents
Funding
- Universidad de La Frontera, Temuco, Chile
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Non-polar and polar solvents as well as their mixtures were tested for the extraction of microalgae lipids and thus, to evaluate their effect on total and esterifiable lipids extraction yields with potential to be converted to biodiesel. The obtained results show an increase in lipids and esterifiable lipids extraction yields when non-polar and polar solvent mixtures were used. The higher esterifiable lipids extraction yield was 19.2% wt (based on dry biomass) using a chloroform-methanol mixture (75% v/v of methanol), corresponding to a 98.9% wt esterifiable lipids extraction. In addition, esterifiable lipids extraction yield of 18.9% wt (based on dry biomass) was obtained when a petroleum ether-methanol mixture (75% v/v of methanol) was used, corresponding to a 96.9% wt esterifiable lipids extraction. (C) 2015 Elsevier Ltd. All rights reserved.
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