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1 2019

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Efficacy of Dissolved Ozone against Staphylococcus aureus and Bacillus cereus Microorganism

Fitria Syarifa, Sidik Muhammad Abu Bakar, Buntat Zolkafle, Nawawi Zainuddin, Jambak Muhammad Irfan, Kamarudin Nur Nabilah, Musa Fatin Nabilah

Journal of Ecological Engineering

2019

Vol. 20, nr 11

76--81

Ozone is a robust antimicrobial agent with numerous potential applications in the industry. Ozone, in either gaseous or aqueous phases is effective against the majority of microorganisms. Relatively low concentrations of ozone and short contact time are sufficient to inactivate bacteria and microorganism. This project investigated the efficacy of dissolved ozone against food-related microorganism. The ozone system was evaluated using the microbial effects on Staphylococcus aureus, and Bacillus cereus and its clinical efficacy against ORP level for disinfection was determined. The results showed that 100% of S. aureus and B. cereus were eliminated by the dissolved ozone in tap water. In conclusion, the dissolved ozone has great efficacy, lower cost and shorter disinfection cycle. Thus, this low temperature, ozone-based disinfection is a green technique and is regarded as one of the most promising disinfection methods.