1. International Islamic University Malaysia Department of Chemical Engineering and Sustainability, Kulliyyah of Engineering P.O. Box 10 50728 Kuala Lumpur Malaysia
2. International Islamic University Malaysia International Institute for Halal Research and Training (INHART) P.O. Box 10 50728 Kuala Lumpur Malaysia
3. Universiti Teknologi PETRONAS Chemical Engineering Department 32610 Seri Iskandar Perak Malaysia
4. Kyushu University Department of Applied Chemistry, Graduate School of Engineering 744 Motooka, Nishi-ku 819-0395 Fukuoka Japan