NDLI: Triacylglycerol content, productivity and fatty acid profile in Scenedesmus acutus PVUW12

Content Provider	Springer Nature Link
Author	Damiani, M. Cecilia Popovich, Cecilia A. Constenla, Diana Martínez, Ana María Doria, Enrico Longoni, Paolo Cella, Ri Nielsen, Erik Leonardi, Patricia I.
Copyright Year	2013
Abstract	A detailed lipid characterization of Scenedesmus acutus PVUW12, with emphasis on the evaluation of triacylglycerols (TAGs) as a biodiesel feedstock, is presented. When algal cells were grown in nitrogen-free medium (N stress), a lipid increase was detected that was mainly due to TAG accumulation. In situ fluorescence measurements allowed the kinetics and extent of neutral lipid accumulation to be followed. Under N stress, the productivity of total lipids and TAGs increased significantly (80.99 and 63.74 mg L$^{−1}$ day$^{−1}$, respectively) compared with controls (29.51 and 16.23 mg L$^{−1}$ day$^{−1}$, respectively). Monounsaturated fatty acids were the major fraction and increased further (49.74 %) in stressed cells, with oleic acid as the most abundant compound (46.97 %). The polyunsaturated fatty acid composition of this algal oil appears to meet the European Standard EN 14214. These results indicate that S. acutus oil meets the requirements for its use as a biodiesel feedstock. Since this strain was also proposed for wastewater bioremediation, this opens up the possibility of its use in an integrated system combined with biofuel production.
Starting Page	1423
Ending Page	1430
Page Count	8
File Format	PDF
ISSN	09218971
Journal	Journal of Applied Phycology
Volume Number	26
Issue Number	3
e-ISSN	15735176
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-10-08
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Scenedesmus acutus Nitrogen limitation Triacylglycerol FAMEs composition Biodiesel Feedstock Plant Sciences Freshwater & Marine Ecology Plant Physiology Ecology
Content Type	Text
Resource Type	Article
Subject	Plant Science Aquatic Science

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