Time (days)
Aerobic mesophilic
Mould and yeasts
Non-ozonated pear log CFU g
-1
Ozonated pear log CFU g
-1
Non-ozonated pear log CFU g
-1
Ozonated pear log CFU g
-1
0
2.0 ± 0.3
<1*
<1*
<1*
3
3.1 ± 0.1
<1*
<1*
<1*
6
3.2 ± 0.5
<1*
<1*
<1*
9
3.7 ± 0.4
<1*
2.6 ± 0.3
<1*
13
<1*
<1*
3.0 ± 0.2
<1*
Table 2:
Total count of aerobic mesophilic, mould and yeasts on pears untreated and treated with 100 ppm of ozone for 60 min and stored at 25°C for 13 days. (Estimated Value*)
