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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.7
- 수록면
- 441 - 448 (8page)
- DOI
- 10.11002/kjfp.2019.26.4.441
이용수
초록· 키워드
오류제보하기
Food irradiation was allowed for dried seaweeds for improving microbial quality in Korea and reliable detection methods are required for the routine control in international trade. In this study, three kinds of popular dried laver (seaweeds) were electron-beam irradiated at approved 7 kGy dose, and the radiation-induced signals were detected using electron paramagnetic resonance (ESR) spectroscopy coupled with alkaline pretreatment. The influence of conventional post-irradiation sample pretreatment such as freeze drying (FD) was also compared with that of alkaline pretreatments, i.e., NaOH extraction (NE) and KOH extraction (KE). Non-irradiated samples were characterized by their ESR spectra, having singlet g-values of g = 2.006, 7 kGy-irradiated samples with FD and KE pretreatments did not exhibit any detectable irradiation-induced signals. However, all the irradiated samples treated with NaOH showed a new radiation-induced ESR signal hfcc (hyperfine coupling constant) of 2.3 mT that is different from that of the established cellulose radicals (hfcc of 3 mT). Thus, attempts have been made to understand the origin of the new signal. The improved approach of combination treatment with NaOH and ESR spectroscopy was successful in identifying irradiated dried laver.
목차
Abstract
Introduction
Materials and methods
Results and discussion
Conclusions
References
참고문헌 (33)
참고문헌 신청
Barrow C / 2007 / Marine nutraceuticals and functional foods / CRC Press :297~320
Nisizawa K / 1987 / The main seaweed foods in Japan / Hydrobiologia 151:5~29
Venugopal V / 2011 / Marine Polysaccharides: Food Applications / CRC Press :15~18
황미숙 / 2005 / 한국 남서해안 자연채묘 양식김의 DNA 염기서열과 종 동정 / ALGAE 20(3):183~196
Choi ES / 2014 / Microbiological quality of seasoned roasted laver and potential hazard control in a real processing line / J. Food Prot 77:2069~2075
Nisizawa K / 1987 / The main seaweed foods in Japan / Hydrobiologia 151:5~29
Venugopal V / 2011 / Marine Polysaccharides: Food Applications / CRC Press :15~18
황미숙 / 2005 / 한국 남서해안 자연채묘 양식김의 DNA 염기서열과 종 동정 / ALGAE 20(3):183~196
Choi ES / 2014 / Microbiological quality of seasoned roasted laver and potential hazard control in a real processing line / J. Food Prot 77:2069~2075
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UCI(KEPA) : I410-ECN-0101-2019-059-000954170