1. Natural Medicines and Products Research Laboratory (NaturMeds), Institute of Bioscience, Universiti Putra Malaysia (UPM), Serdang, Malaysia
2. Department of Chemistry, Faculty of Science, Universiti Putra Malaysia (UPM), Serdang, Malaysia
3. Department of Aquaculture, Faculty of Agricultural Sciences, Universiti Putra Malaysia (UPM), Serdang, Malaysia