Abstract: Alcoholic extract of the aerial parts of Schinus terebinthifolius exhibit significant antioxidant, antifungal, antialzheimer`s and antileishmanicidal activities. Investigation of the chemical constituents of this plant let to isolate one new naturally occurring compound, synthetically known named (4-aminophenyl) acetic acid, along with the known 2-phenylacetamide, 1-pentadecanol, 3-(4-aminophenyl) prop-2-enoic acid, (E), ethyl 3, 4, 5-trihydroxybenzoate, cinnamic acid and benzamide. The structures of these compounds were established by spectroscopy techniques, including 1D and 2D NMR spectroscopy and comparison with the published data. The structure of (4-aminophenyl) acetic acid has also been confirmed by X-ray diffraction studies. The total alcoholic extract of Schinus terebinthifolius was evaluated for several bioassay activities and the isolated compounds were evaluated for their antifungal and antioxidant activities.