Effect of Light Intensity and Frequency of Flashing Light from Blue Light Emitting Diodes on Astaxanthin Production by Haematococcus pluvialis(BIOCHEMICAL ENGINEERING)
スポンサーリンク
概要
- 論文の詳細を見る
Flashing light from blue light emitting diodes is an effective method for the reduction of energy consumption in the bioproduction of astaxanthin by Haematococcus pluvialis. We investigated the effects of light intensity and frequency on the final astaxanthin concentration in bioproduction by H. pluvialis grown mixotrophically. The final astaxanthin concentration under illumination with flashing light, with frequencies ranging from 25 to 200 Hz, was dependent on the light intensity and on the duty cycle and was equivalent, or higher, in comparison with that under illumination with continuous light at the same incident intensity. The light intensity determined the maximum attainable concentration of astaxanthin under continuous illumination. Under illumination with flashing light, the ratio of the final astaxanthin concentration to the maximum concentration at a specific light intensity was correlated to the duty cycle in the frequency range from 25 to 200 Hz. The effect of lower frequencies on enhanced astaxanthin production under flashing light was also studied; at levels as low as 1 Hz, higher final astaxanthin concentrations were observed under flashing light compared to concentrations attained under continuous light.
- 社団法人日本生物工学会の論文
- 2008-03-25
著者
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Katsuda Tomohisa
Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University
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KATOH Shigeo
Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto Un
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Katsuda T
Department Of Chemical Science And Engineering Graduate School Of Engineering Kobe University
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Katsuda Tomohisa
Department Of Chemical Science And Engineering Graduate School Of Engineering Kobe University
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Katoh Shigeo
Department Of Chemical Science And Engineering Graduate School Of Engineering Kobe University
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Ranjbar Reza
Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University
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Shiraishi Hironori
Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University
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Ishizu Naoki
Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University
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Ranjbar Reza
Department Of Chemical Science And Engineering Graduate School Of Engineering Kobe University
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Ishizu Naoki
Department Of Chemical Science And Engineering Graduate School Of Engineering Kobe University
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Ishizu Naoki
Department Of Applied Chemistry Kanagawa Institute Of Technology
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Shiraishi Hironori
Department Of Chemical Science And Engineering Graduate School Of Engineering Kobe University
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Katoh Shigeo
Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University
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KATOH SHIGEO
Department of Chemical Engineering, Kyoto University
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