As for phenolic content, no significant change in the amount of antioxidant activity (methanol soluble antioxidants) was found during storage for non-irradiated samples (Table 2). According to Slimestad and Verheul (2005) no effect of post-harvest ripening was verified on the content of methanol soluble antioxidants of the cherry tomato fruits. With regard to the effect of irradiation on the antioxidant activity, the irradiated samples at 1.3 kGy after 7 days of storage presented the highest value in terms of FRAP assay, that was significantly different from the control sample of non-irradiated cherry tomatoes (0 kGy; T = 0), but not from non-irradiated samples stored for 7 days (0 kGy; T = 7). The lowest antioxidant activity by FRAP assay was obtained for the irradiated samples at 5.7 kGy, however there was no significant differences between these values and the ones measured for the nonirradiated samples. Besides that, DPPH results expressed by EC50