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논문 기본 정보

자료유형
학술저널
저자정보
Chang-Ho Jeong (경상대학교) Ho Jin Heo (경상대학교) Sung-Gil Choi (경상대학교) Ki-Hwan Shim (경상대학교)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 18. no 1
발행연도
2009.2
수록면
108 - 112 (5page)

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초록· 키워드

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Antioxidant and anticancer effects of methanolic extracts from the flesh (WFME) and peel (WPME) of white onion, the flesh (YFME) and peel (YPME) of yellow onion, the flesh (RFME) and peel (RPME) of red onion were studied. The content of total phenolics in WFME, WPME, YPME, YFME, RPME, and RFME were 0.260±0.01, 4.480±0.23, 0.319±0.02, 719.12±37.36, 0.248±0.01, and 806.21±26.38 ㎎/g, respectively. The quercetin content of WFME, WPME, YFME, YPME, RFME, and RPME were 12.56±0.19, 3.57±0.14, 15.24±0.65, 755.29±22.24, 5.70±0.23, and 774.03±29.48 ㎎/100 g, respectively. Like total phenolics, the highest 2,2’-diphenyl-1-picrylhydrazyl (DPPH) scavenging activities were found in RPME. However, inhibitory effects on lipid oxidation of RPME were similar to those of WPME and YPME. In addition, inhibitory effect of WPME, YPME, and RPME for human breast cancer cell (MCF-7) growth were 78.43, 81.90, and 96.52% while those on human prostate cancer cell (LNcap) were 71.58, 77.93, and 98.47% at 100 ㎍/㎖, respectively. Total phenolics, quercetin content, antioxidant, and anticancer activities exhibited significant variation among the 3 onion varieties in this experiment. Therefore, it is assumed that antioxidant and anticancer activities were affected by the total phenolics and quercetin level of onion.

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgments
References

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UCI(KEPA) : I410-ECN-0101-2013-573-000856505