지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Dishwashing tools such as sponges, scourers, and dishcloths are known to harbor dense and diverse microbial communities, including pathogenic bacteria. In this study, the potential of corona discharge plasma jet (CDPJ) as a disinfectant was tested to improve the hygienic quality of dishwashing tools. For the simulation of microbial contamination, selective pathogenic bacteria (Escherichia coli O157:H7, Staphylococcus aureus, and Pseudomonas putida) were inoculated on selected dishwashing tools (dishcloth, sponge, and scourer) at concentrations of 6.55 to 8.77 log CFU/cm 2 . CDPJ generated at 20 kV voltage and 1.5A current was used for decontamination, whereas a sample-to-electrode distance of 25 mm was maintained during the treatment. Following CDPJ treatment for 5 min, the viable counts of E. coli O157:H7, S. aureus, and P. putida were reduced by 4.30-4.56, 3.71-4.78, and 3.50-3.83 log, respectively. The rates of inactivation were varied among the pathogens, decreasing in the order E. coli O157:H7 > S. aureus > P. putida. Among tested kinetic models, namely log-linear, log-linear with shoulder, and Weibull models, the log-linear with shoulder model was found to be the most suitable model to explain the CDPJ inactivation of the pathogens. In conclusion, CDPJ can be used as a potential sanitizing agent for dishwashing tools.
목차
등록된 정보가 없습니다.
참고문헌 (21)
참고문헌 신청
Arroyo C / 2012 / UV-C inactivation of Cronobacter sakazakii / Foodborne Pathog. Dis 9(10):907~914
Bigelow WD / 1920 / The thermal death point in relation to typical thermophylic organisms / J. Infect. Dis 27:602~617
EFSA / 2015 / The European Union summary report on trends and sources of zoonoses, zoonotic agents and foodborne outbreaks in 2014 / EFSA Journal 13:4329
Enriquez CE / 1997 / Bacteriological survey of used cellulose sponges and cotton dishcloths from domestic kitchens / Dairy Food Environ. Sanitation 17:20~24
Finch JE / 1978 / A bacteriological survey of the domestic environments / J. Appl. Bacteriol 45:357~364
Bigelow WD / 1920 / The thermal death point in relation to typical thermophylic organisms / J. Infect. Dis 27:602~617
EFSA / 2015 / The European Union summary report on trends and sources of zoonoses, zoonotic agents and foodborne outbreaks in 2014 / EFSA Journal 13:4329
Enriquez CE / 1997 / Bacteriological survey of used cellulose sponges and cotton dishcloths from domestic kitchens / Dairy Food Environ. Sanitation 17:20~24
Finch JE / 1978 / A bacteriological survey of the domestic environments / J. Appl. Bacteriol 45:357~364
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