1. Department of Chemistry, Faculty of Science; Universiti Putra Malaysia; Serdang Malaysia
2. Materials Processing and Technology Laboratory; Institute of Advanced Technology, Universiti Putra Malaysia; Serdang Malaysia
3. Department of Pharmaceutical Chemistry, School of Pharmacy; International Medical University; Kuala Lumpur Malaysia
4. Department of Food Science, Faculty of Food Science and Technology; Universiti Putra Malaysia; Serdang Malaysia