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The influence of wavelength of light on cyanobacterial asymmetric reduction of ketone |
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| Authors: | Ken-ichi Itoh Kaoru Nakamura Tadashi Aoyama Tsuyoshi Kakimoto Masahiko Murakami Toshio Takido |
| Institution: | 1. Department of Liberal Arts and Science, College of Science and Technology, Nihon University, 7-24-1 Narashinodai, Funabashi-shi, Chiba 274-8501, Japan;2. Graduate School of Human Development and Environment ‘Science Shop’, Kobe University, 3-11 Tsurukabuto, Nada-ku, Kobe-shi, Hyogo 657-8501, Japan;3. Department of Material and Applied Chemistry, College of Science and Technology, Nihon University, 1-8-14 Kandasurugadai, Chiyoda-ku, Tokyo 101-0062, Japan |
| Abstract: | Asymmetric reduction of ketone by a microalga, Synechocystis sp. PCC 6803, smoothly afforded to the corresponding (S)-alcohol in excellent enantiomeric excess by the aid of illumination of orange and red LED lights which are more effective than other LEDs such as blue and green lights. The condition under minimum energy flux (1.0 W/m2) of orange-red LEDs is enough for the reduction of ketone, and it seems that orange-red light rather effectively forwarded the regeneration of coenzyme. |
| Keywords: | Cyanobacterial asymmetric reduction Effective utilization of light energy Influence of wavelength of light LED illumination Regeneration of coenzyme |
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