The aims of this research were to determine antioxidant profile of three different organs of noni (leaves, twigs and fruit) by DPPH (2, 2-diphenyl-1-picrylhydrazyl) and FRAP (ferric reducing antioxidant power) and also its phytochemical content. Keywords: antioxidant, DPPH, FRAP, noni, leaves, fruits, twigs Introduction Noni (Morinda citrifolia L.) have many pharmacological activities such as breast cancer [1-3], cervical cancer [4], antidiabetic [5], antimicrobial activity [6] and antioxidant [7]. Many plants included vegetables and fruits contain many phenolic and flavonoid compounds which are expected to prevent degenerative diseases such as cancer, heart disease [11-13], and other pharmacological activities such as anti-inflammatory [14], and antioxidant activity [15-19]. Fermented noni fruit juice which was extracted by petroleum ether, ethyl acetate and nbutanol solvent demonstrated that the ethyl acetate extract had higher antioxidant activity than ascorbic acid, and the other extracts.