All the pear fruit were washed with tap water (30 C ± 1 C) and then sanitized with 10 mL/L hydrogen peroxide (H2O2) containing
5 g/L citric acid (19 C ± 1 C, pH 6.23) for 10 min, rewashed with cold
water (10 C ± 1 C) for 5 min and air dried at 27 C ± 1 C.