Effects of combined treatment of aqueous chlorine dioxide and UV-C or electron beam irradiation on microbial growth and quality in chicon during storage

Ji Hoon Kang, Jiyong Park, Deog Hwan Oh, Kyung Bin Song

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8 Citations (Scopus)

Abstract

The effects of combined treatment of aqueous ClO2 and UV-C or electron beam irradiation on microbial growth and quality in chicon during storage at 4oC were investigated. Samples were treated separately with 50 ppm of ClO2, 5 kJ/m2 of UV-C, 2, 5, 7, and 10 kGy of electron beam irradiation, as well as a combination of ClO2 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 ClO2 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 ClO2 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 L*, a*, and b* values were not significantly different among the treatments during storage. These results suggest that combined treatment of ClO2 and electron beam irradiation can be useful for improving microbiological safety in chicon during storage.

Original languageEnglish
Pages (from-to)1632-1638
Number of pages7
JournalJournal of the Korean Society of Food Science and Nutrition
Volume41
Issue number11
DOIs
Publication statusPublished - 2012 Jan 1

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chlorine dioxide
microbiological quality
microbial growth
irradiation
Aerobic Bacteria
electrons
Electrons
Growth
Fungi
molds (fungi)
Yeasts
water
Population
yeasts
bacteria
sampling
Color
Safety
color

All Science Journal Classification (ASJC) codes

  • Food Science
  • Nutrition and Dietetics

Cite this

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title = "Effects of combined treatment of aqueous chlorine dioxide and UV-C or electron beam irradiation on microbial growth and quality in chicon during storage",
abstract = "The effects of combined treatment of aqueous ClO2 and UV-C or electron beam irradiation on microbial growth and quality in chicon during storage at 4oC were investigated. Samples were treated separately with 50 ppm of ClO2, 5 kJ/m2 of UV-C, 2, 5, 7, and 10 kGy of electron beam irradiation, as well as a combination of ClO2 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 ClO2 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 ClO2 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 L*, a*, and b* values were not significantly different among the treatments during storage. These results suggest that combined treatment of ClO2 and electron beam irradiation can be useful for improving microbiological safety in chicon during storage.",
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T1 - Effects of combined treatment of aqueous chlorine dioxide and UV-C or electron beam irradiation on microbial growth and quality in chicon during storage

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AU - Park, Jiyong

AU - Oh, Deog Hwan

AU - Song, Kyung Bin

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AB - The effects of combined treatment of aqueous ClO2 and UV-C or electron beam irradiation on microbial growth and quality in chicon during storage at 4oC were investigated. Samples were treated separately with 50 ppm of ClO2, 5 kJ/m2 of UV-C, 2, 5, 7, and 10 kGy of electron beam irradiation, as well as a combination of ClO2 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 ClO2 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 ClO2 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 L*, a*, and b* values were not significantly different among the treatments during storage. These results suggest that combined treatment of ClO2 and electron beam irradiation can be useful for improving microbiological safety in chicon during storage.

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