1. Department and Graduate Program of Bioindustry Technology, Dayeh University, Chang-Hua 515, Taiwan
2. Department of Chemical Engineering, National Chung Hsing University, Taichung 402, Taiwan
3. Derlin Biotech Corporation Ltd., Yun-Lin 640, Taiwan
4. Biotechnology Center, National Chung Hsing University, Taichung 402, Taiwan