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Research Article: Effect of different cobalt (CoCl2) concentrations on cell growth, some biochemical composition, and fatty acids profile of the marine microalga, Tetraselmis subcordiformis
H. Eskandarnia, M. Shamsaie Mehrgan *, H. Rajabi Islami, M. Soltani, A. Kamali
Department of Fisheries, Science and Research Branch, Islamic Azad University, Tehran, Iran , drshamsaie@gmail.com
Abstract:   (362 Views)
The aim of this study was to determine the effects of cobalt concentration on cell growth, some biochemical composition, and fatty acids profile of the marine microalga Tetraselmis subcordiformis. Cobalt deprivations did not cause a considerable change in growth photosynthesis activity as compared to the control group. Induction of maximum lipid production was achieved using 0.001 mg L-1 of cobalt-deprived T. subcordiformis. The highest crude protein content (33.75 mg L-1) was observed in 0.001 mg L-1 cobalt. The highest and lowest lipid accumulation in T. subcordiformis was observed in 0.001 mg L-1 and 10 mg L-1 cobalt, respectively. Under cobalt deficient conditions, T. subcordiformis produced a large quantity of saturated fatty acids and iodine and saponification value. Biodiesel characteristics were enhanced with Co+2 reduction. Also, biodiesel quality decreased with increase of cobalt. The results showed that the maximum and minimum carotenoids were observed in 0.1 and 10 mg L-1 cobalt, respectively.
Keywords: Cobalt, Proximate composition, Fatty acids profile, Lipid, Tetraselmis subcordiformis
Full-Text [PDF 743 kb]   (196 Downloads)    
Type of Study: Orginal research papers | Subject: Biotechnology
Received: 2019/10/27 | Accepted: 2020/02/1 | Published: 2021/11/19
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Eskandarnia H, Shamsaie Mehrgan M, Rajabi Islami H, Soltani M, Kamali A. Research Article: Effect of different cobalt (CoCl2) concentrations on cell growth, some biochemical composition, and fatty acids profile of the marine microalga, Tetraselmis subcordiformis. IJFS. 2021; 20 (6) :1589-1608
URL: http://jifro.ir/article-1-4092-en.html


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Volume 20, Issue 6 (2021) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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