1. Faculty of Food Science and Technology, Universiti Putra Malaysia, Selangor, 43400 Serdang, Malaysia
2. School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand
3. Institute of Bioscience, Universiti Putra Malaysia, Selangor, 43400 Serdang, Malaysia
4. Department of Chemistry, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand