1. School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA, Shah Alam 40450, Selangor, Malaysia
2. Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam 40450, Selangor, Malaysia
3. Graduate School of Bio-Application and System Engineering (BASE), Tokyo University of Agriculture and Technology, 2-21-16 Nakacho, Koganei, Tokyo 184-8588, Japan