1. Department of Biotechnology, Graduate School of EngineeringOsaka University2‐1 Yamada‐oka, Suita565‐0871OsakaJapan
2. Division of Applied Science, School of EngineeringOsaka University2‐1 Yamada‐oka, Suita565‐0871 OsakaJapan
3. Bio‐energy CorporationResearch & Development Laboratory2‐9‐7 MinaminanamatsuAmagasaki 660‐0053Japan
4. Department of Chemical Science and Engineering, Graduate School of EngineeringKobe University1‐1 Rokkodaicho, NadaKobe 657‐8501Japan
5. Graduate School of Science, Technology and InnovationKobe University1‐1 Rokkodaicho, NadaKobe 657‐8501Japan