Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.biortech.2013.03.040
Title: Continual production of glycerol from carbon dioxide by Dunaliella tertiolecta
Authors: Chow, Y.Y.S.
Goh, S.J.M.
Su, Z.
Ng, D.H.P. 
Lim, C.Y.
Lim, N.Y.N.
Lin, H. 
Fang, L.
Lee, Y.K. 
Keywords: Carbon dioxide
Carbon sink
Dunaliella tertiolecta
Glycerol
Microalgae
Photosynthesis
Issue Date: May-2013
Citation: Chow, Y.Y.S., Goh, S.J.M., Su, Z., Ng, D.H.P., Lim, C.Y., Lim, N.Y.N., Lin, H., Fang, L., Lee, Y.K. (2013-05). Continual production of glycerol from carbon dioxide by Dunaliella tertiolecta. Bioresource Technology 136 : 550-555. ScholarBank@NUS Repository. https://doi.org/10.1016/j.biortech.2013.03.040
Abstract: Microalgae have high photosynthetic efficiencies and produce many valuable compounds from carbon dioxide. The Dunaliella genus accumulates glycerol, yet no commercial process currently exists for glycerol production from this microalga. Here it was found that in addition to intracellular accumulation, Dunaliella tertiolecta also releases glycerol into the external medium continuously, forming a large and stable carbon pool. The process is not affected by nutrient starvation or onset of cell death. Carbon dioxide was fixed at a constant rate, the bulk of it being channelled to extracellular glycerol (82%), resulting in enhanced photosynthetic carbon assimilation of 5 times that used for biomass production. The final extracellular glycerol concentration was 34 times the maximum concentration of intracellular glycerol; the latter declined further during cell death. Findings from this work will assist in the development of a bioconversion process to produce glycerol using D. tertiolecta without the need for cell harvest or disruption. © 2013.
Source Title: Bioresource Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/126714
ISSN: 09608524
DOI: 10.1016/j.biortech.2013.03.040
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