Effect of Ozone and Gamma Irradiation for Elieminating the Contaminated Microorganisms in Food Materials for Kimchi Manufacturing
2006
Lee, K.H. (Chungju National University, Chungju, Republic of Korea), E-mail: [email protected] | Cho, C.M. (Chungju National University, Chungju, Republic of Korea)
Food materials for kimchi manufacturing were treated by ozone or gamme irradiation to reduce the number of contaminated microorganisms before the manufacturing of kimchi. Counts of total aerobic bacteria, yeast and mold were 10∨6~10∨ 7 and 10³~10⁴CFU/g in the food materials, respectively, in a dose-dependent manner. In comparison, gamma irradiatio was superior to ozone treatment. Especially, irradiation of 5 kGy fully eliminated the yeast and mold attached in the food materials for kimchi manufacturing.
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