1. Advanced Oleochemical Technology Division; Malaysian Palm Oil Board; No. 6, Persiaran Institusi, Bandar Baru Bangi, 43000, Kajang Selangor Malaysia
2. Department of Chemistry, Faculty of Science; Universiti Putra Malaysia; 43400, Serdang Selangor Malaysia
3. Contract Research Laboratory, Troy Polymers Inc.; 330 E. Maple Road, Suite L, Troy MI, 48083 USA