Performance of Deacetyled Glucomannan as Iron Encapsulation Excipient Dyah H. Wardhani, Heri Cahyono, M. Farkhan H. Dwinanda, Putri R. Nabila, Nita Aryanti and Dina R. Pangestuti MATEC Web Conf., 156 (2018) 01021 Published online: 14 March 2018 DOI: 10.1051/matecconf/201815601021