NDLI: Effects of Light Intensity on the Growth and Lipid Accumulation of Microalga Scenedesmus sp. 11-1 Under Nitrogen Limitation

Content Provider	Springer Nature Link
Author	Liu, Junhan Yuan, Cheng Hu, Guangrong Li, Fuli
Copyright Year	2012
Abstract	Scenedesmus spp. have been reported as potential microalgal species used for the lipid production. This study investigated the effects of light intensity (at three levels: 50, 250, and 400 μmol photons m$^{−2}$ s$^{−1}$) on the growth and lipid production of Scenedesmus sp. 11-1 under N-limited condition. Carotenoid to chlorophyll ratio was higher when algae 11-1 grew under 250 and 400 μmol photons m$^{−2}$ s$^{−1}$ than that under 50 μmol photons m$^{−2}$ s$^{−1}$, while protein contents was lower. Highest biomass yield (3.88 g L$^{−1}$), lipid content (41.1 %), and neutral lipid content (32.9 %) were achieved when algae 11-1 grew at 400 μmol photons m$^{−2}$ s$^{−1}$. Lipid production was slight lower at 250 μmol photons m$^{−2}$ s$^{−1}$ level compared to 400 μmol photons m$^{−2}$ s$^{−1}$. The major fatty acids in the neutral lipid of 11-1 were oleic acid (43–52 %), palmitic acid (24–27 %), and linoleic acid (7–11 %). In addition, polyunsaturated fatty acids had a positive correlation with total lipid production, and monounsaturated fatty acids had a negative one.
Starting Page	2127
Ending Page	2137
Page Count	11
File Format	PDF
ISSN	02732289
Journal	Applied Biochemistry and Biotechnology
Volume Number	166
Issue Number	8
e-ISSN	15590291
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-03-14
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Light intensity Microalgae Biodiesel Neutral lipid Fatty acid composition Biotechnology Biochemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology

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