Effect of CO2 concentration on growth and photosynthesis of spirulina platensis

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Title
Effect of CO2 concentration on growth and photosynthesis of spirulina platensis
Author(s)
Song-Gun KimChan Sun Park; Yong Ha Park; S T Lee; Hee-Mock Oh
Bibliographic Citation
Studies in Surface Science and Catalysis, vol. 153, pp. 295-298
Publication Year
2004
Abstract
The effect of different CO2 concentrations on the growth and photosynthesis of Spirulina platensis NIES 46 was examined in terms of cell growth and photosynthetic parameters. Under 0.01% CO2, growth stopped after the depletion of the dissolved inorganic carbon and the cell yield was low. The cells grown under 0.07% CO2 exhibited no change in their growth rate when compared with the 0.03% CO2-grown culture, yet the cell yield increased from 1.2 to 3.6 g/l. The cells under 1% CO2 showed the lowest growth, even though the inorganic carbon remained at 50-60 mg/l and pH 7.5-8.0. The photosynthetic rates under 0.03 and 0.07% CO 2 were higher than those under 0.01 or 1%. Accordingly, among the tested CO2 concentrations, 0.07% CO2 was found to be the best for a high-density culture of S. platensis NIES 46.
ISSN
0167-2991
Publisher
Elsevier
DOI
http://dx.doi.org/10.1016/S0167-2991(04)80267-2
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
Jeonbuk Branch Institute > Immunoregulatory materials Research Center > 1. Journal Articles
Division of Biomaterials Research > Cell Factory Research Center > 1. Journal Articles
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