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논문 기본 정보

자료유형
학술저널
저자정보
Inwook Choi (Korea Food Research Institute) Soyeon Choi (Korea Food Research Institute) Bora Nam (Korea Food Research Institute) Yoonsook Kim (Korea Food Research Institute) Heedon Choi (Korea Food Research Institute)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 17. no 2
발행연도
2008.4
수록면
373 - 378 (6page)

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초록· 키워드

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Contents of phytochemicals in citron (Citrus junos Sieb. ex Tanaka) seeds and their effects on antioxidant activities were investigated. Methanol extract of defatted citron seeds contained the highest amounts of total polyphenols followed by 70% ethanol and water extracts. Neohesperidin was the most predominant citrus flavanones in these extracts. The highest amounts of limonoids were found in methanol extract, and this extract was the most efficient in scavenging both DPPH and ABTS radicals. All 3 extracts also exhibited good antioxidant activities against attack of linoleate free radicals on β-carotene. When methanol extract was sequentially fractionated into ether, ethyl acetate, n-butanol, and water fractions, butanol fraction contained the highest amounts of polyphenols otherwise most of limonoids were concentrated in ethyl acetate fraction. A positive relationship between radical scavenging activities and total polyphenol contents in fractions was observed while antioxidant activity on β-carotene seemed more related with contents of limonoids and other hydrophobic polyphenols.

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgments
References

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