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논문 기본 정보

자료유형
학술저널
저자정보
JaeHwan Lee (서울과학기술대학교) David B. Min (The Ohio State University)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 18. no 2
발행연도
2009.4
수록면
413 - 418 (6page)

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초록· 키워드

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Effects of chlorophyll and visible light exposure on the volatile formations and headspace oxygen content were studied in lard model systems at 55℃. Samples with or without addition of chlorophyll under light underwent photosensization or photooxidation, respectively. Total volatiles (TI) in lard with 5 ppm chlorophyll photosensization were 19 times higher than those in visible light photooxidized samples for 48 hr while TI in lard with chlorophyll in the dark were not significantly different from those in photooxidized samples (p>0.05). Headspace oxygen content in photosensitized lard decreased from 21 to 15% for 48 hr but that in photooxidized lard or that in lard with chlorophyll in the dark did not change significantly (p>0.05), which indicates that lard system used in this study is a photosensitizer-free model system and the presence of chlorophyll accelerated the lipid oxidation only under visible light. Oxidation mechanisms of photooxidation with or without presence of photosensitizers under visible light were not the same based on the difference of oxidized volatile profiles and headspace oxygen depletion.

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Abstract
Introduction
Materials and Methods
Results and Discussion
References

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