TOXICITY, PHYTOCHEMICAL CONTENTS AND STARCH CHARACTERS OF GADUNG (Dioscorea hispida Dennst.) TUBER ACCESSION TIMOR LESTE, KALIMANTAN TENGAH AND DAERAH ISTIMEWA YOGYAKARTA Toksisitas, Kandungan Fitokimia dan Karakter Pati Aksesi Gadung (Dioscorea hispida D - Nugroho, L Hartanto; Plant Structure and Development Laboratory, Faculty of Biology, Universitas Gadjah Mada, Yogyakarta, Indonesia. (Badan Penelitian dan Pengembangan Kesehatan, 2014)