The Exotic Plants of Indonesia: Mahkota Dewa (Phaleria macrocarpa), Sikaduduak (Melastoma malabathricum Linn) and Mengkudu (Morinda citrifolia) as Potent Antioxidant Sources - Anggraini, Tuty; Faculty of Agricultural Technology, Andalas University, Padang 25163, West Sumatra, Indonesia (International Journal on Advanced Science, Engineering and Information Technology, 2015)