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논문 기본 정보

자료유형
학술저널
저자정보
Hye Won Shin (CJ CheilJedang Corporation) Yoon-Hee Lim (Korea Food Research Institute) Jong-Kyung Lee (Hanyang Women’s College) Yun-Ji Kim (Korea Food Research Institute) Se-Wook Oh (Korea Food Research Institute) Chul Soo Shin (Yonsei University)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 17. no 3
발행연도
2008.6
수록면
603 - 607 (5page)

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초록· 키워드

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Thirteen commercial antimicrobial products were examined to assess the sporicidal activity against Bacillus cereus spores at room temperature, 60 and 85℃. Neither the antimicrobials showed detectable antimicrobial activity against the B. cereus spores nor induced spore germination after the treatment at 0.5 or 1.0%(w/v, v/v) commercial antimicrobial agents at room temperature for 0.5 to 4 hr. However, when the antimicrobials such as chitosan, lactic acid, fermented pollen, grapefruit extract were applied with heat at 85℃ for 30 min, more than 1 log CFU/mL spores were additionally inactivated compared to only heat treatment without antimicrobials. Imposition of 60℃ to B. cereus spores with the higher concentration of 5.0%(v/v) lactic acid or 2.5%(w/v) thiamine dilaurylsulfate for the longer time incubation of 24 hr resulted in 3 log CFU/mL spore inactivation. This work showed that low concentrations of commercial antimicrobials by themselves did not inactivate B. cereus spores. However, when physical processes such as heat were combined together, antimicrobials showed a synergistic effect against B. cereus spores.

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
Achnowledgments
References

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