A quantitative analysis of microalgal lipids for optimization of biodiesel and omega-3 production

Olmstead, I, Hill, D, Dias, D, Jayasinghe, N, Callahan, D, Kentish, S, Scales, P and Martin, G 2013, 'A quantitative analysis of microalgal lipids for optimization of biodiesel and omega-3 production', Biotechnology and Bioengineering, vol. 110, no. 8, pp. 2096-2104.


Document type: Journal Article
Collection: Journal Articles

Title A quantitative analysis of microalgal lipids for optimization of biodiesel and omega-3 production
Author(s) Olmstead, I
Hill, D
Dias, D
Jayasinghe, N
Callahan, D
Kentish, S
Scales, P
Martin, G
Year 2013
Journal name Biotechnology and Bioengineering
Volume number 110
Issue number 8
Start page 2096
End page 2104
Total pages 9
Publisher John Wiley & Sons, Inc.
Abstract The lipid characteristics of microalgae are known to differ between species and change with growth conditions. This work provides a methodology for lipid characterization that enables selection of the optimal strain, cultivation conditions, and processing pathway for commercial biodiesel production from microalgae. Two different microalgal species, Nannochloropsis sp. and Chlorella sp., were cultivated under both nitrogen replete and nitrogen depleted conditions. Lipids were extracted and fractionated into three major classes and quantified gravimetrically. The fatty acid profile of each fraction was analyzed using GC-MS. The resulting quantitative lipid data for each of the cultures is discussed in the context of biodiesel and omega-3 production. This approach illustrates how the growth conditions greatly affect the distribution of fatty acid present in the major lipid classes and therefore the suitability of the lipid extracts for biodiesel and other secondary products. Biotechnol. Bioeng. 2013; 110: 2096-2104. © 2013 Wiley Periodicals, Inc.
Subject Agricultural Biotechnology not elsewhere classified
Medical Biochemistry and Metabolomics not elsewhere classified
Keyword(s) lipid analysis
microalgae
biodiesel
fatty acid profiling
Chlorella
Nannochloropsis
DOI - identifier 10.1002/bit.24844
Copyright notice © 2013 Wiley Periodicals, Inc.
ISSN 0006-3592
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