지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 신정규
- 발행연도
- 2014
- 저작권
- 전주대학교 논문은 저작권에 의해 보호받습니다.
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초록· 키워드
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Most of fresh-cut salads or sprouts were commercialized without heat treatment and easily contaminated from around environment due to production, cleaning, packaging and distribution process.
Initial contamination cell number on rapeseed sprout was total aerobic bacteria 1.20×10? CFU/g, coliform group 3.27×10? CFU/g, E. coli O157:H7 2.07×10?CFU/g, S. aureus 4.91×10?CFU/g, Salmonella2.68×10?CFU/g, respectively.
The purpose of this study was to investigate the inactivation effects and quality change of sprouts by intense pulsed light (IPL) treatment.
The inactivation of microorganisms on sprouts increased with increasing light intensity and pulse numbers. Approximately 90% reduction of total aerobic bacteria, 96 % reduction of coliform group and 98% reduction of E. coli O175:H7 were achieved with IPL treatment for 10 min at light intensity 1000 V, pulse frequency 5 pps and distance between lamp and samples 6.7 cm. The killing efficiency for microorganisms on sprouts increased with by decreasing the distance between the light source and the sample surface.
The moisture content of sprout was decreased slightly after IPL treatment and vitamin C content was not changed.
The viability of microorganisms in sprout treated with combined IPL and CDPJ increased with the treatment time. More effect when treated.
The highest level of inactivation achieved was about 99.5% reduction by combined treatment IPL and CDPJ.
Initial contamination cell number on rapeseed sprout was total aerobic bacteria 1.20×10? CFU/g, coliform group 3.27×10? CFU/g, E. coli O157:H7 2.07×10?CFU/g, S. aureus 4.91×10?CFU/g, Salmonella2.68×10?CFU/g, respectively.
The purpose of this study was to investigate the inactivation effects and quality change of sprouts by intense pulsed light (IPL) treatment.
The inactivation of microorganisms on sprouts increased with increasing light intensity and pulse numbers. Approximately 90% reduction of total aerobic bacteria, 96 % reduction of coliform group and 98% reduction of E. coli O175:H7 were achieved with IPL treatment for 10 min at light intensity 1000 V, pulse frequency 5 pps and distance between lamp and samples 6.7 cm. The killing efficiency for microorganisms on sprouts increased with by decreasing the distance between the light source and the sample surface.
The moisture content of sprout was decreased slightly after IPL treatment and vitamin C content was not changed.
The viability of microorganisms in sprout treated with combined IPL and CDPJ increased with the treatment time. More effect when treated.
The highest level of inactivation achieved was about 99.5% reduction by combined treatment IPL and CDPJ.
목차
Figures and Tables index ⅲ영문초록 ⅵI. 서론 1II. 문헌고찰 41. 새싹의 미생물 분포 및 살균 42. 광 펄스 51) 광 펄스 시스템 52) 광 펄스 영향요인 53) 광 펄스 사멸 기작 64) 미생물의 사멸 효과 75) 식품에서의 적용 73. 저온플라즈마 16III. 실험재료 및 방법 181. 시료 182. 광 펄스 처리시스템 및 처리 183. 저온플라즈마 처리시스템 및 처리 214. 생균수 측정 215. 수분함량 216. 비타민 C 함량 237. 통계처리 23IV. 실험 결과 및 고찰 241. 새싹채소의 초기 오염도 242. 빛의 세기와 처리시간에 의한 살균 효과 263. 광원과 시료사이의 거리에 따른 살균 효과 314. 새싹채소의 품질 변화 355. CDPJ와 병합처리에 따른 미생물의 살균 효과 37V. 요약 및 결론 43Ⅵ. 참고문헌 45
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