Cited by 317Algal biology and biofuel productionBiodiesel Production and ApplicationsSeaweed-derived Bioactive Compounds

“Solvent-free” ultrasound-assisted extraction of lipids from fresh microalgae cells: A green, clean and scalable process

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Adam, Fanny, Abert-Vian, Maryline, Peltier, Gilles, Chemat, Farid·2012·Bioresource Technology

Abstract

In order to comply with criteria of green chemistry concepts and sustainability, a new procedure has been performed for solvent-free ultrasound-assisted extraction (UAE) to extract lipids from fresh Nannochloropsis oculata biomass. Through response surface methodology (RSM) parameters affecting the oil recovery were optimized. Optimum conditions for oil extraction were estimated as follows: (i) 1000 W ultrasonic power, (ii) 30 min extraction time and (iii) biomass dry weight content at 5%. Yields were calculated by the total fatty acids methyl esters amounts analyzed by GC-FID-MS. The maximum oil recovery was around 0.21%. This value was compared with the one obtained with the conventional extraction method (Bligh and Dyer). Furthermore, effect of temperature on the yield was also investigated. The overall results show an innovative and effective extraction method adapted for microalgae oil recovery, without using solvent and with an enable scaling up.

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Crossref · 10.1016/j.biortech.2012.02.096

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Authors
Adam, F., Abert-Vian, M., Peltier, G., & Chemat, F.
Affiliations
  • Université d'Avignon et des Pays de Vaucluse (FR)
  • Centre National de la Recherche Scientifique (FR)
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2012-06
Volume
114
Pages
457-465
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2026661310
Cited by
317
References
28
Citations by year
2026: 12 · 2025: 15 · 2024: 16 · 2023: 21 · 2022: 22 · 2021: 32 · 2020: 36 · 2019: 25 · 2018: 32 · 2017: 31 · 2016: 16 · 2015: 23 · 2014: 19 · 2013: 14 · 2012: 3
FWCI
7.23
Type
journal article
Language
en
Open access
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL AMU (submittedVersion, other-oa)
Funders
Institut National de la Recherche Agronomique
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Biomedical Engineering › Biodiesel Production and Applications
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Seaweed-derived Bioactive Compounds
Keywords
ultrasound-assisted extraction, solvent-free extraction, microalgal lipids, Nannochloropsis oculata, green chemistry, fatty acid methyl esters, extraction temperature, extraction optimization, Bligh and Dyer method, scale-up
MeSH terms
Pilot Projects, Solvents, Sonication, Green Chemistry Technology, Microalgae

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