The effect of hyperbaric treatments on major hydrophilic and lipophilic antioxidants and antioxidantactivity in tomato fruit, using ORAC and TEAC assays, was studied. Early breaker stage greenhouse growntomatoes were subjected to different pressure and temperature conditions, including 0.1 (ambient atmo-spheric pressure, control), 0.3, 0.5, 0.7 and 0.9 MPa at 20◦C