1. Food and Pharmaceutical Engineering Research Group, Faculty of Engineering, University of Nottingham, Semenyih, Selangor Darul Ehsan, Malaysia
2. Malaysian Cocoa Board, Cocoa Innovative and Technology Centre, Nilai, Negeri Sembilan Darul Khusus, Malaysia
3. Department of Chemical Engineering, Diponegoro University, Semarang, Tembalang, Indonesia