1. Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
2. Integrated Chemical BioPhysics Research, Faculty of Science, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
3. Faculty of Pharmacy, Mahsa University, Bandar Saujana Putra, Jenjarom, Selangor, Malaysia
4. Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
5. Natural Medicines & Products Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
6. Department of Chemistry, Faculty of Science, Universiti Malaya, Kuala Lumpur, Malaysia