이산화염소수와 UV-C 또는 전자빔 병합처리가 치콘의 저장 중 미생물 성장과 품질에 미치는 영향

Abstract

The effects of combined treatment of aqueous and UV-C or electron beam irradiation on microbial growth and quality in chicon during storage at were investigated. Samples were treated separately with 50 ppm of , 5 kJ/ of UV-C, 2, 5, 7, and 10 kGy of electron beam irradiation, as well as a combination of and UV-C or 2 kGy of electron beam irradiation. The populations of total aerobic bacteria as well as yeast and molds in the chicon samples were determined following each treatment. The populations of total aerobic bacteria in the chicon samples decreased by 1.49~2.92 log CFU/g following combined treatment of and UV-C irradiation compared to the control, whereas the populations of yeast and molds decreased by 1.63~1.78 log CFU/g. On the contrary, following combined treatment of and electron beam irradiation, the populations of total aerobic bacteria as well as yeast and molds in the chicon samples were undetectable during storage. Color measurements indicated that Hunter , , and values were not significantly different among the treatments during storage. These results suggest that combined treatment of and electron beam irradiation can be useful for improving microbiological safety in chicon during storage.