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Title 

Effect of CO2 concentration on growth and photosynthesis of spirulina platensis

Authors 

Song-Gun KimChan Sun ParkYong Ha ParkS T LeeHee-Mock Oh

Publisher 

Elsevier

Issue Date 

2004

Citation 

Studies in Surface Science and Catalysis, vol. 153, no. 0, pp. 295-298

Keywords 

cell growthconcentration (parameters)growth ratephotosynthesisplant growthspirulina platensis

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

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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