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논문 기본 정보

저자정보
(Erom Life Co.) (Pulmuone-Tech R&D Center) (Kyung Hee University) (Kyung Hee University)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 16. no 6
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    초록·키워드

    The antioxidative activity of Alpinia oxyphylla was investigated through measuring the radical scavenging effect on 1,1-diphenyl-2-picrylhydrazyl (DPPH) and inhibitory activity for linoleic acid peroxidation. Two antioxidative diarylheptanoids, yakuchinone A (1) and oxyphyllacinol (2), were isolated from the fruits of A. oxyphylla using thin layer chromatography (TLC) autographic assays. The DPPH scavenging activities of the compounds (IC<sub>50</sub>=1, 57±2.1 μM; 2, 89±3.1 μM) were lower than vitamin C (IC<sub>50</sub>=51±1.1 μM), but higher than butylated hydroxytoluene (BHT, IC<sub>50</sub>=99±2.2 μM). Also, inhibitory activities for linoleic acid peroxidation of the compounds (IC<sub>50</sub>=1, 0.19±0.011 mM; 2, 0.31±0.009 mM) were higher than those of vitamin C (IC<sub>50</sub>=0.59±0.017 mM) and BHT (IC<sub>50</sub>=0.52±0.014 mM). In addition the 13C-NMR data of oxyphyllacinol (2) have been first reported in this paper.

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      UCI(KEPA) : I410-ECN-0101-2013-573-001010592