(Choi et al., 2012). Unpasteurized apple cider and orange juice containing E. coliO157:H7 andS.Typhimurium were treated with gaseous
ozone at 4, 20, and 50 °C (Williams et al., 2004). The antimicrobial efficacy of ozone treatment dependent on temperature for their study can
be expressed relatively as follows: 50 °CN4°CN20 °C. While less
than 5.0 log CFU/ml reduction resulted after treatment at 20 °C for
3–4h,N5.0 log CFU/ml populations ofE. coliwere inactivated at 50 °C