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Table 2

Number of species identified and total CFU in bottled water, described as being treated with ozone or not treated with ozone, collected from different markets in Jeddah, Saudi Arabia

TreatmentOzoneNo-ozone
Number of bottles 31 
Number of species 1–3 1–3 
CFU mean in 100 ml (mean, SD) 0.5 (5.7) 2.6 (5.7) 
CFU min – CFU max 0–3.5 0–20 
Contaminated bottles (number, %) 4 (44%) 19 (61%) 
TreatmentOzoneNo-ozone
Number of bottles 31 
Number of species 1–3 1–3 
CFU mean in 100 ml (mean, SD) 0.5 (5.7) 2.6 (5.7) 
CFU min – CFU max 0–3.5 0–20 
Contaminated bottles (number, %) 4 (44%) 19 (61%) 
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