1. ; Department of Food Technology, Faculty of Food Science and Biotechnology; University Putra Malaysia; 43400 Serdang Selangor Malaysia
2. ; 6 Persiaran Institusi; Malaysian Palm Oil Board; Bandar Baru Bangi, 4300 Kajang, Kuala Lumpur Malaysia
3. ; Department of Food Science, Faculty of Food Science and Biotechnology; University Putra Malaysia; 43400 Serdang Selangor Malaysia