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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lee, Seok Joo Go, Sugeun Jeong, Gwi Taek Kim, Sung Koo |
| Copyright Year | 2011 |
| Abstract | Marine microalgae were studied as potential resources for the production of biodiesel. Five marine microalgae, Tetraselmis suecica, Phaeodactylum tricornutum, Chaetoceros calcitrans, Isochrysis galbana, and Nannochloropsis oculata were cultured in f/2 media, 12:12 L:D cycle at 20 ± 1°C with a light intensity of 36.3 μmol/m$^{2}$/sec using a 15-L circular cylindrical photobioreactor. The dry cell weight, specific growth rate, biomass productivity, oil content and fatty acid composition of palmitic acid, stearic acid, oleic acid, linoleic acid, and linolenic acid of microalgae were determined. T. suecica, I. galbana, and N. oculata showed high dry cell weights of 0.58, 0.57, and 0.57 g/L, respectively. The culture period of T. suecica to reach the stationary phase was 9 days. On the other hand, N. oculata showed the longest culture period of 28 days to reach the stationary phase. T. suecica absorbed nitrate at the initial stages of cell growth, decreasing the nitrate concentration to 0.5 mg/L on day-7 of the culture. The highest oil contents were observed in P. tricornutum with a 25.31% dry cell weight and I. galbana with a 23.15% dry cell weight on day-9 after the stationary phase. I. galbana showed 417.33 mg of palmitic acid per g oil and T. suecica showed 235.61 mg of oleic acid per g oil. Stearic acid, linoleic acid, and linolenic acid did not exceed 30.02 mg/g oil in any of the microalgae. T. suecica showed the shortest culture period of 9 days to reach the stationary phase. Therefore, the highest biomass production of 0.58 g/L was obtained and I. galbana showed high biomass production of 0.57 g/ L and oil content of 23.15% of dry cell weight. Therefore, T. suecica and I. galbana can be selected as a potential candidate for the production of biodiesel. |
| Starting Page | 561 |
| Ending Page | 566 |
| Page Count | 6 |
| File Format | |
| ISSN | 12268372 |
| Journal | Biotechnology and Bioprocess Engineering |
| Volume Number | 16 |
| Issue Number | 3 |
| e-ISSN | 19763816 |
| Language | English |
| Publisher | The Korean Society for Biotechnology and Bioengineering |
| Publisher Date | 2011-12-30 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | biodiesel microalgae oil contents fatty acids Biotechnology Industrial and Production Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Bioengineering Biomedical Engineering Applied Microbiology and Biotechnology Biotechnology |
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