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논문 기본 정보

자료유형
학술저널
저자정보
Kang, Ji-Hoon (Department of Food Science and Technology, Chungnam National University) Chun, Ho-Hyun (Department of Food Science and Technology, Chungnam National University) Song, Nak-Bum (Department of Food Science and Technology, Chungnam National University) Kim, Min-Sung (Department of Food Science and Technology, Chungnam National University) Park, Jiyong (Department of Biotechnology, Yonsei University) Oh, Deog-Hwan (Department of Biotechnology and Bioengineering, Kangwon National University) Song, Kyung Bin (Department of Food Science and Technology, Chungnam National University)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제56권 제3호
발행연도
2013.1
수록면
301 - 307 (7page)

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Effects of ultraviolet-C (UV-C) and electron beam irradiation on the quality and microbial populations of leafy vegetables were compared as a microbial decontamination method. Tatsoi and red chard leaves were treated with UV-C at a dose of $5kJ/m^2$ or by electron beam irradiation at doses of 0.5, 1, and 3 kGy. After UV-C or electron beam irradiation treatment, the samples were stored at $4{\pm}1^{\circ}C$ for 11 days. Populations of total aerobic bacteria in leafy vegetables decreased by 0.8-1.1 log CFU/g after treatment with UV-C irradiation, and those of yeast and molds decreased by 1.0-1.8 log CFU/g. On the contrary, electron beam irradiation at 0.5 or 1 kGy reduced the microbial populations by 2.0-2.5 log CFU/g. Electron beam irradiation at 3 kGy eliminated the microorganisms in the samples. These results suggest that electron beam irradiation at low dose below 3 kGy can be more effective than UV-C treatment for the inactivation of microorganisms in Tatsoi and red chard leaves.

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