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논문 기본 정보

자료유형
학술저널
저자정보
Youn Ri Lee (Chungbuk National University) In Guk Hwang (Chungbuk National University) Koan Sik Woo (Chungbuk National University) Dae Joong Kim (Chungbuk National University) Jin Tae Hong (Chungbuk National University) Heon Sang Jeong (Chungbuk National University)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 16. no 6
발행연도
2007.12
수록면
1,041 - 1,045 (5page)

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초록· 키워드

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Heated onion juice was partitioned using the solvents hexane, chloroform, ethyl acetate, and butanol. The ethyl acetate fraction showed the strongest scavenging effect on the ABTS radical. The antioxidant activities of the ethyl acetate fraction from raw and heated onion (120, 130, and 140℃) were evaluated using radical scavenging assays. Radical and nitrite scavenging activities were higher in heated onion than raw onion, and the higher the temperature of heat treatment, the greater the radical and nitrite scavenging activities. Heated onion (140℃, 2 hr) was more effective than raw onion, having higher DPPH radical scavenging (5.7-fold), hydroxyl radical scavenging (6.4-fold), superoxide radical scavenging (2.3-fold), hydrogen peroxide scavenging (11.8-fold), and nitrite scavenging (4.3-fold) activities. Onion increased its physiologically active materials after heating, and in this regard, heated onion can be used as biological material for the manufacture of health foods and supplements.

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgments
References

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