Treatment Adjusted equations R2 Non-ozonated pear y = -0.0139 + 0.6381X - 0.0140X2 0.98 Ozonated pear y = -0.0772 + 1.0397X - 0.0321X2 0.99

Table 1: Adjusted regression equations for fresh mass loss in pears untreated and treated with 100 ppm of ozone for 60 min and stored at 25°C for 13 days. (y – Fresh mass loss; X – period ozonization)