Organic solvents with different polarities were used during this extraction phase,such as ethyl ether, acetone and ethyl acetate; and all of these solvents were purified before using (Yan 1991) Soxhlet extractors were used for the Eichhomia crassipes root powder extractions; and extractions were conducted for 10 hr, 14 hr and 12 hr when using ethyl ether, acetone and ethyl acetate, respectively. By using this method, three different extracts were obtained.