선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
제안 방법
- ClO2 gas treatment was carried out in a treatment chamber (150 × 100 × 100 cm) for 5, 10, 20, or 30 min.
- Aqueous ClO2 treatment was conducted for 5 min by submerging the samples at a ratio of 1:5 (w/v). For the combined treatment of gaseous and aqueous ClO2, the paprika samples were first treated with gaseous ClO2 and then aqueous ClO2, based on a preliminary experiment. All treatments were conducted in triplicates.
- To further examine the germicidal effect of ClO2 gas treatment, survival curves of E. coli O157:H7 and S. Typhimurium were fitted with a Weibull model (Fig. 3) and the parameters were calculated (Table 1). Non-log linear survival curves were shown for all treatments and both pathogens (Fig.
대상 데이터
- , USA) was used. A humidifier (CH-5762; Cuckoo Inc., Korea) was used to adjust relative humidity to 90% in a treatment chamber. Aqueous ClO2 was produced and set at 50 mg/l based on a previous study [13], and its concentration was determined by using the iodometric titration method [24].
- Paprika (Capsicum annuum L.) fruits were obtained from a local farm in Hwasun, Korea, and fully ripened red paprika fruits were chosen and used for the experiments. Harvested paprika fruits were transported to the laboratory within 3 h under refrigerated temperature condition.
- Strains of S. Typhimurium (KCTC 2514 and ATCC 14028) and E. coli O157:H7 (NCTC 12079 and ATCC 43889) were selected for experiments. Each strain of S.
데이터처리
- Analysis of variance and Duncan’s multiple range test were conducted to analyze significant differences at p < 0.05.
이론/모형
- , Korea) was used to adjust relative humidity to 90% in a treatment chamber. Aqueous ClO2 was produced and set at 50 mg/l based on a previous study [13], and its concentration was determined by using the iodometric titration method [24]. Aqueous ClO2 treatment was conducted for 5 min by submerging the samples at a ratio of 1:5 (w/v).
- To examine the inactivation kinetics of microorganisms by ClO2 gas treatment, the Weibull model was applied. The Weibull model for non-log linear survival curves can be expressed by the following equation [26].
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