Selection of microalgae for lipid production under high levels carbon dioxide

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Selection of microalgae for lipid production under high levels carbon dioxide
Chan Yoo; So Young Jun; Jae Yon Lee; Chi-Yong AhnHee-Mock Oh
Bibliographic Citation
Bioresource Technology, vol. 101, no. 1, pp. s71-s74
Publication Year
To select microalgae with a high biomass and lipid productivity, Botryococcus braunii, Chlorella vulgaris, and Scenedesmus sp. were cultivated with ambient air containing 10% CO2 and flue gas. The biomass and lipid productivity for Scenedesmus sp. with 10% CO2 were 217.50 and 20.65 mg L-1 d-1 (9% of biomass), while those for B. braunii were 26.55 and 5.51 mg L-1 d-1 (21% of biomass). With flue gas, the lipid productivity for Scenedesmus sp. and B. braunii was increased 1.9-fold (39.44 mg L-1 d-1) and 3.7-fold (20.65 mg L-1 d-1), respectively. Oleic acid, a main component of biodiesel, occupied 55% among the fatty acids in B. braunii. Therefore, the present results suggested that Scenedesmus sp. is appropriate for mitigating CO2, due to its high biomass productivity and C-fixation ability, whereas B. braunii is appropriate for producing biodiesel, due to its high lipid content and oleic acid proportion.
10% CO2Fatty acidsFlue gasMicroalgaeTotal lipid
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Synthetic Biology and Bioengineering Research Institute > Cell Factory Research Center > 1. Journal Articles
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